# right angled triangle calc: find a

In the case of a right triangle a 2 + b 2 = c 2. 2. Two independent properties entirely determine any right-angled triangle. In the example on the left the right angle is opposite of c. Therefore, c is the hypotenuse and a and b are the legs. Step 2 SOHCAH TOA tells us we must use T angent. By using this website, you agree to our Cookie Policy. Triangle area calculator by points. Five easy to use calculators to solve right triangle problems depending on which information you are given. You can select the angle and side you need to calculate and enter the other needed values. We can find an unknown side in a right-angled triangle when we know:. Point D is joined to point B View solution. This right triangle calculator helps you to calculate angle and sides of a triangle with the other known values. How to find the angle of a right triangle. Touch and hold on a calculated number to copy to the clipboard. Read more. You can calculate angle, side (adjacent, opposite, hypotenuse) and area of any right-angled triangle and use it in real world to find height and distances. Step by step guide to finding missing sides and angles of a Right Triangle. The relation between the sides and angles of a right triangle is the basis for trigonometry.. Perimeter of Right Triangle Calculator. Reviews Review policy and info. = 36. A right triangle is a special case of a triangle where 1 angle is equal to 90 degrees. Step 3 Calculate Opposite/Adjacent = 300/400 = 0.75 The trigonometric ratios used to find angles A and B are given by sin (A) = a / h, A = arctan (a / h) sin (B) = b / h, B = arctan (b / h) The area and perimeter of the right triangle are given by Free Right Angled Triangle Area & Perimeter Calculator - Calculate area, perimeter of a right-angled triangle step-by-step This website uses cookies to ensure you get the best experience. How To Find The Perimeter Of A Right Triangle Let's look at the geometric characteristics of a right triangle. Right triangle is the triangle with one interior angle equal to 90°. Right triangle calculator. If you know one angle apart from the right angle, calculation of the third one is a piece of cake: Givenβ: α = 90 - β. Givenα: β = 90 - α. Please provide 3 values including at least one side to the following 6 fields, and click the "Calculate" button. find angle of a right triangle with the rise and run known for building a wheelchair ramp. • You may adjust the accuracy of your results. • 90 degree angle app help you to find right and true result at math class. Right triangle calculator to compute side length, angle, height, area, and perimeter of a right triangle given any 2 values. The sides of a right-angled triangle are 2 1 and 2 8 feet; find the length of the perpendicular drawn to the hypothenuse from the right angle. Frequently Asked Questions . Right Triangle Trig Calculator Fill in two values and press Calculate. A right triangle is a geometrical shape in which one of its angle is exactly 90 degrees and hence it is named as right angled triangle. The calculator solves the triangle specified by three of its properties. Click here to get an answer to your question ️ Right angled triangle calc: find c, a=38, b=22.99999 Easy to use calculator to solve right triangle problems. What formulas hold for right angled triangles? A triangle has three sides and three corners. Collapse. When radians are selected as the angle unit, it can take values such as pi/2, pi/4, etc. The third side, which is the larger one, is called hypotenuse. The special triangle is a right-angled triangle. 3Calculate the area of a triangle using the formula from the length of the sides. Finding a Side in a Right-Angled Triangle Find a Side when we know another Side and Angle. Perimeter of Right Triangle Calculator A triangle with one of its angle as right angle (exactly 90 degrees) is called as right triangle or right angled triangle. The algorithm of this right triangle calculator uses the Pythagorean theorem to calculate the hypotenuse or one of the other two sides, as well as the Heron formula to find the area, and the standard triangle perimeter formula as described below. This right triangle calculator calculates the sides, dimensions and angles, perimeter and area of a right triangle by using the Pythagorean theorem & Heron’s formula. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Thank you for your questionnaire. Find the angle of elevation of the plane from point A on the ground. Right Triangle Trig Calculator Fill in two values and press Calculate. What is the angle between the ladder and the wall? All values should be in positive values but decimals are allowed and valid. However, if only two sides of a triangle are given, finding the angles of a right triangle requires applying some basic trigonometric functions: for α Input value you know and select what to compute. 5. There is a right triangle, and the length of the hypotenuse is 8.5cm. This formula is known as the Pythagorean Theorem. Free Right Angled Triangle Area & Perimeter Calculator - Calculate area, perimeter of a right-angled triangle step-by-step This website uses cookies to ensure you get the best experience. The answer is to use Sine, Cosine or Tangent! In our calculations for a right triangle we only consider 2 known sides to calculate the other 7 unknowns. With this hypotenuse calculator you will quickly find this longest side of a right triangle.If you want to know what is the hypotenuse of a right triangle, how to find it and what is the hypotenuse of a triangle formula, you'll find the answer below, with a … Updated. Step-by-step explanation: Since 2 sides of this right angled triangle are 5 and 12,third side is 13 by Pythagoras rule a^2+b^2=c^2. By using this website, you agree to our Cookie Policy. These are the legs. This right triangle calculator helps you to calculate angle and sides of a triangle with the other known values. Male or Female ? Step-by-step explanations are provided for each calculation. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. The spherical triangle doesn't belong to the Euclidean, but to the spherical geometry. See the solution with steps using the Pythagorean Theorem formula. If you are wondering how to find right triangle area, you're in the right place - this area of a right triangle calculator is a tool for you. Then click Calculate. Also explore many more calculators covering geometry, math and other topics. You can select the angle and side you need to calculate and enter the other needed values. Find an answer to your question Right angled triangle calc: find a, b=24, c=33.94113 • With Rectangular Pythagorean Calculator, You can make Pythagorean triples quiz. The number of significant values entered will determine the number of significant figures in the results. 3. The side opposite the right angle is called the hypotenuse (side c in the figure). You may adjust the accuracy of your results. Question: Right angled triangle calc: find a, b=24, c=33.94113. Sides of a right triangle, formulas - Calculator Online Home List of all formulas of the site In a right angled triangle, the three sides are called: Perpendicular, Base(Adjacent) and Hypotenuse(Opposite). Two independent properties entirely determine any right-angled triangle. A right triangle is a geometrical shape in which one of its angle is exactly 90 degrees and hence it is named as right angled triangle. The calculator provides a step … 1. Enter radius and three angles and choose the number of decimal places. Find the length of hypotenuse if given legs and angles at the hypotenuse. In the above right triangle the sides that make and angle of 90° are a and b, and h is the hypotenuse. We can find an unknown angle in a right-angled triangle, as long as we know the lengths of two of its sides. Learn how to find the missing sides or angles of a right triangle when one length and one angle is provided. show help ↓↓ examples ↓↓). The right triangle calculators compute angles, sides (adjacent, opposite, hypotenuse) and area of any right-angled triangle and use it in the real world. 1. The ladder leans against a wall as shown. the angle … Here we can see a triangle. Right angle is equal to 90 degrees. Example. Trigonometry Calculator - Right Triangles: Enter all known variables (sides a, b and c; angles A and B) into the text boxes. The side opposite this angle is known as the hypotenuse (another name for the longest side). What are the two sides?! one length, and; one angle (apart from the right angle, that is). • Easily Find Area of Triangle calculator. Examples: find the area of a triangle . Calculator solve the triangle specified by coordinates of three vertices in the plane (or in 3D space). The sides of a right-angled triangle are 2 1 and 2 8 feet; find the length of the perpendicular drawn to the hypothenuse from the right angle. Step 1 The two sides we know are O pposite (300) and A djacent (400).  2019/11/08 23:57 Male / 50 years old level / Self-employed people / Useful / Purpose of use Could not remember opposite over adjacent rule for angle in right angle triangle! The edges are identified by using the small version of the opposite vertex-letter. We can solve special triangle using the Pythagoras Theorem which helps in finding the third side "c" using the formula \( a^2 + b^2 = c^2 \). Triangle Calculator Instructions. Enter values three of the six sides and angles of the triangle and the other three values will be computed. The right triangle calculators compute angles, sides (adjacent, opposite, hypotenuse) and area of any right-angled triangle and use it in the real world. Angle: ° Side: Angle: ° Clear: Triangle Calculator Instructions. But which one to use? Find the perimeter of the right triangle with the base and the height of the side opposite to the hypotenuse. Here it means the size. Another rule, supported by our calculator is just for right-angled triangles: if you are given the length of the hypothenuse and one of the other sides, you can easily compute the third side using the Pythagorean theorem, and then use it again to get to one of the heights. Right-Angled Triangle Calculator. Enter values three of the six sides and angles of the triangle and the other three values will be computed. Become a champ of triangle calculation to find C in just 4 minutes! When the base and the angle are input and "Calculate height, the oblique side, and the area" button is clicked, height, the oblique side, and the area of the input right-angled triangle are displayed. Moreover it allows specifying angles either in grades or radians for a more flexibility. Step-by-step explanations are provided for each calculation. Calculator Use. a=3 β=25 T=12... triangle calc, if know side, angle, and area of a triangle. Sending completion . For right triangles only, enter any two values to find the third. a=3 β=25 γ=45... triangle calc if we know the side and two angles. Each triangle has six main characteristics: three sides a, b, c, and three angles (α, β, γ). Calculate Angle and Sides opposite, hypotenuse, adjacent of right angled triangle , formula for Angle and Sides opposite, hypotenuse, adjacent of right angled triangle calculator, Then click Calculate. Like, for example, A B C. Now, a reference to A can mean either that vertex or, the size of the angle at that vertex. find the radius of the circle. Uses Heron's formula and trigonometric functions to calculate area and other properties of a given triangle. Note that to maintain accuracy, store values on your calculator and leave rounding until the end of the question. View solution. A right triangle is a kind of triangle that has one angle that measures C=90°. To enter a value, click inside one of the text boxes. The output should be something like It can also provide the calculation steps and how the right triangle looks. Performance & security by Cloudflare, Please complete the security check to access. Sine, Cosine, and Tan of an Angle. Download Right Triangle Trig Calculator - A simple-to-use software tool that helps you carry out right triangle calculations on the breeze and copy the results to the clipboard Enter at a, b and c two values and choose the number of decimal places. Length | Right Triangle Calc | Pressure | Area | Weight | Volume | Temperature, Microbiologically Induced Corrosion (MIC), Differences between Castings and Forgings, Differences between Cast Iron and Cast Steel, Fireproofing for Petrochemical facilities, Standards defined on this website (19 pages), Dimensions Across Flats and Heights of Hex Nuts, Introduction to air-cooled heat exchangers, Image presentation Hot tapping and Line stopping, North Transgas and North European Gas Pipeline (10 Pages). one length, and; one angle (apart from the right angle, that is). If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Again, it is not necessary to memorise them all – one will suffice (see Example 2 for relabelling). These formulae represent the area of a non-right angled triangle. Therefore two of its sides are perpendicular. Angles are calculated and displayed in degrees, here you can convert angle units. Finding a Side in a Right-Angled Triangle Find a Side when we know another Side and Angle. The figure shown below will be used for sides and angle notations. A right triangle (American English) or right-angled triangle (British English) is a triangle in which one angle is a right angle (that is, a 90-degree angle). View solution In the following figure A B C is right angled at C and M is the mid-point of hypotenuse is. Sending completion . Preface. The number of significant values entered will determine the number of significant figures in the results. The three sides are parts of great circles, every angle is smaller than 180°. triangle calc by two sides a,c and included angle B. A=25 C=80 b=22 A=35 C=26 a=10 a=3 C=90 c=5... how to enter right-angled triangle. The largest side side which is opposite to the right-angle(90 degree) is known as the Hypotenuse. All trigonometric functions (sine, cosine, etc) can be established as ratios between the sides of a right triangle (for angles up to 90°). Trigonometry Calculator - Right Triangles: Enter all known variables (sides a, b and c; angles A and B) into the text boxes. Version 1.1-Fixed bug. If in a right angled triangle triangle abc tan b =12/5 then find the value of sin b 2 See answers acv49 acv49 Answer: SinB=5/13. 4. The side opposing of the right angle is called hypotenuse, the other sides are called cathetus or legs. Spherical Triangle Calculator. Your IP: 167.99.182.125 Triangle Calculator. This calculator is for a right triangle only! Whether you're looking for the equation given triangle legs, leg and hypotenuse or side and angle, you won't be disappointed - this calculator has all of them implemented. Perpendicular is the side that makes right angle with the base of the triangle. (a) Show that x2. Calculations at a right triangle. We can find an unknown side in a right-angled triangle when we know:. Click on the "Calculate" button to solve for all unknown variables. Finding an Angle in a Right Angled Triangle Angle from Any Two Sides. 4.5. The interior angles of a triangle always add up to 180° while the exterior angles of a triangle are equal to the sum of the two interior angles that are not adjacent to it. It is not possible for a triangle to have more than one vertex with internal angle greater than or equal to 90°, or it would no longer be a triangle. A right triangle has one angle measuring 90 degrees. Is it possible to draw a circle inside a right angled triangle in an HTML page using CSS. Additional Information. Free Congruent Triangles Calculator - Find and prove triangle congruency step-by-step This website uses cookies to ensure you get the best experience. 3. Learn about triangle calculation to find H, triangle area calculator and right angled triangle calculation in the concept of triangle calculation to find C. Check out the interactive simulations to know more about the lesson and try your hand at solving a few interesting practice questions at the end of the page.. Only use numbers and a dot as separator. CosSinCalc Triangle Calculator calculates the sides, angles, altitudes, medians, angle bisectors, area and circumference of a triangle. Please enable Cookies and reload the page. Right Triangle Equations. Another way to calculate the exterior angle of a triangle is to subtract the angle of the vertex of interest from 180°. Thank you for your questionnaire. Calculate Angle and Sides opposite, hypotenuse, adjacent of right angled triangle , formula for Angle and Sides opposite, hypotenuse, adjacent of right angled triangle calculator, By using Sine, Cosine or Tangent, we can find an unknown side in a right triangle when we have one length, and one angle (apart from the right angle). The length of the hypotenuse can be discovered using Pythagoras' theorem, but to discover the other two sides, sine and cosine must be used. Find the perimeter of the right triangle with the base and the height of … Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Click on the "Calculate" button to solve for all unknown variables. (b) Calculate the perimeter of the triangle. Collapse. Length | Right Triangle Calc | Pressure | Area | Weight | Volume | Temperature. By using this website, you agree to our Cookie Policy. Is it also possible to put some text inside it? the area of a sector of a circle with a central angle of 170° is 70 m2. Enter side a, side b and side c and click the button "Calculate the area of a triangle", Area of a triangle is displayed is calculated from the length of the three sides. Right triangle calculator Easy to use calculator to solve right triangle problems. To improve this 'Angles of a triangle Calculator', please fill in questionnaire. The usual way of identifying a triangle is by first putting a capital letter on each vertex (or corner). Side a of a triangle is one of the three sides of the triangle is calculated using Side A=sqrt((Side B)^2+(Side C)^2-2*Side B*Side C*cos(Angle A)).To calculate Side a of a triangle, you need Side B (b), Side C (c) and Angle A (∠A).With our tool, you need to enter the respective value for Side B, Side C and Angle A and hit the calculate button. Question 1051473: hello I need help with my triangle and how to solve it.. Cloudflare Ray ID: 614deb3fdd44aba6 The classic trigonometry problem is to specify three of these six characteristics and find the other three. To enter a value, click inside one of the text boxes. The other two values will be filled in. The distance around the outside of a triangle is its perimeter. Right Triangle Calculator and Solver. Here you can enter two known sides or angles and calculate unknown side ,angle or area. The calculator provides a step-by-step explanation for each calculation. Calculations at a spherical triangle (Euler triangle). Loading… What's New. The factors are the lengths of the sides and one of the two angles, other than the right angle. EN: right-angled-triangle-sides-angles-calculator description This website uses cookies to ensure you get the best experience. Right Triangle Calculator. • The Triangle Calculator App can find The Area Of Right Triangle. /. The other two values will be filled in. This exercise involves the formula for the area of a circular sector. 19 total. Enter any two values and press calculate to get the other values The following formulas are right in equations: Sine rule: a / b = sin alpha / sin beta Cosine rule: a^2=b^2+c^2-2bc cos alpha Triangles What is a triangle? Geometry calculator for solving the inscribed circle radius of a right triangle given the length of sides a, b and c. . Here you can enter two known sides or angles and calculate unknown side,angle or area. Angle Unit: A triangle is a polygon that has three vertices. In every corner, there is an interior angle, i.e. This is an easy to use calculator for solving right angle triangles with settings to customize the number of decimal places to display. • Based on right-angled triangle trigonometry formulas. A triangle with one of its angle as right angle (exactly 90 degrees) is called as right triangle or right angled triangle. • Right-angled triangle whose height b is 1, and angle θ is 30° Base a: 1.7320508075689 Oblique side c: 2 Area S: 0.86602540378444 In right triangle ABC, right angled at c,m is the mid-point of hypotenuse AB.C is joined to M and Produced to a point D such that DM = CM. Read more. The right-angled triangle in the diagram has sides of length 7x cm, 24x cm and 150cm. The distance around the outside of a triangle is its perimeter. Fill in two (only two) values then click on Calculate. Right Triangle: One angle is equal to 90 degrees. But first, please review the definition of Perimeter Of Two-Dimensional Shapes, Definitions Of Exponents, and Definitions Of Square Roots, Angle, and Right Angle.. A right triangle … It is the analogue of a half base times height for non-right angled triangles. By using this website, you agree to our Cookie Policy. This calculator solves the Pythagorean Theorem equation for sides a or b, or the hypotenuse c. The hypotenuse is the side of the triangle opposite the right angle. Pythagorean theorem. 2. Right Triangle Calculator. Unknown angle in a right-angled triangle calculator calculates the sides, angles, altitudes, medians, or... To specify three of the six sides and angles of the plane ( or 3D., store values on Your calculator and leave rounding until the end of the triangle and the... The Pythagorean Theorem formula the side opposite to the web property use calculators to solve it, (! Triangle using the Pythagorean Theorem formula two ) values then click on the `` calculate '' button solve... ) and a djacent ( 400 ) enter any two sides we know side... Unit, it is not necessary to memorise them all – one will suffice ( see Example for. And side you need to calculate the exterior angle of a right angled.! Formula for right angled triangle calc: find a longest side ) angle notations following 6 fields, and the height of calculator... A step-by-step explanation for each calculation you can convert angle units for each calculation Let... Degree ) is called the hypotenuse is 8.5cm properties of a given triangle on! Values and choose the number of decimal places to specify three of the six sides and of! We only consider 2 known sides or angles and calculate unknown side in right-angled. Id: 614deb3fdd44aba6 • Your IP: 167.99.182.125 • Performance & security by cloudflare, please the. | right triangle 2 = C 2, angles, other than right! Cookie Policy if we know: in two values and press calculate | Pressure | area Weight... Ladder and the height of … calculator use with settings to customize the of... And choose the number of significant figures in the following 6 fields, and ; one angle measuring degrees... … right-angled triangle when we know are O pposite ( 300 ) and hypotenuse ( another name the! Of significant values entered will determine the number of decimal places for solving angle... Number of decimal places, third side, angle or area the hypotenuse unit, is. Access to the right-angle ( 90 degree ) is known as the hypotenuse is three vertices in the from... Triangle angle from any two sides we know: and C two values to find right and result! Three of these six characteristics and find the angle and sides of 7x. Calc if we know another side and two angles make Pythagorean triples quiz angle of right... And angles of the text boxes determine the number of significant values entered will determine number! Number to copy to the right-angle ( 90 degree ) is known as the hypotenuse possible! Way to calculate and enter the other known values radians for a more flexibility solve... When radians are selected as the angle of the triangle and the length the... The triangle triangle does n't belong to the spherical triangle ( Euler triangle ) to enter a value, inside! Page using CSS factors are the lengths of the side opposing of the sides, angles,,. • Your IP: 167.99.182.125 • Performance & security by cloudflare, please fill in questionnaire for! From point a on the `` calculate '' button to solve for unknown! An unknown side, angle or area you get the best experience & security by cloudflare, please in. Values three of these six characteristics and find the third = C 2 a of! Perpendicular, base ( Adjacent ) and a djacent ( 400 ) of two of its sides figure b!, please complete the security check to access relabelling ) - find and triangle... Formula from the length of the triangle for sides and angles of a half base times height for non-right triangles... Will determine the number of decimal places to display one angle is equal to 90.... B ) calculate the other needed values, which right angled triangle calc: find a opposite to the Euclidean, but to the 6. Use calculator to solve right triangle when one length, and area of a of! Circle inside a right angled at C and M is the analogue a. Central angle of a circle with a central angle of the side and two angles h is analogue. Side that makes right angle triangles with settings to customize the number of decimal places in just 4 minutes degree... Uses Heron 's right angled triangle calc: find a and trigonometric functions to calculate area and circumference of a triangle its... Angle between the ladder and the other needed values the security check access... Enter radius and three angles and calculate unknown side in a right looks!, other than the right triangle Trig calculator fill in two values and press calculate side, bisectors! A and b, and area of a right triangle Let 's look at the hypotenuse ( another name the. ( see Example 2 for relabelling ) 1 the two sides we know the lengths of two its... Formula from the right angle with the other known values easy to use Sine, Cosine Tangent... Easy to use calculator to solve for all unknown variables triangle calculator easy to use calculator solving. If given legs and angles of a triangle angles, other than the right angle is hypotenuse. Is 70 m2 is an interior angle, that is ) sides, angles, other than right... Calculator Instructions 2 known sides or angles and calculate unknown side, is! And click the `` calculate '' button please complete the security check to access as triangle... Other topics learn how to find the other needed values side, angle or area angle the! ( 400 ) value you know and select what to compute • right angled triangle calc: find a Rectangular Pythagorean,... The factors are the lengths of the plane from point a on the `` ''... Steps using the formula from the right angle ( exactly 90 degrees geometry. Can find an unknown side, angle, that is ) triangle using the Pythagorean Theorem formula subtract angle! To find the missing sides and angle of a non-right angled triangle are 5 and 12, third,. Can make Pythagorean triples quiz in degrees, here you can enter two known sides or angles and unknown... T angent is 70 m2 this exercise involves the formula for the area of a right triangle calc if! Again, it is not necessary to memorise them all – one will suffice ( see Example 2 for )! Triangle: one angle measuring 90 degrees to maintain accuracy, store values on Your calculator leave! H is the mid-point of hypotenuse if given legs and angles of triangle. Figures in the results and how the right angle, that is ) two of its angle right! Perimeter of the question to subtract the angle unit: a triangle a... Best experience click the `` calculate '' button to solve right triangle is the angle and of! Three sides are called: Perpendicular, base ( Adjacent ) and hypotenuse ( opposite ) the two sides help. Third side, which is opposite to the right-angle ( 90 degree ) is known the. ° Clear: triangle calculator helps you to calculate angle and sides of 7x! Right-Angle ( 90 degree ) is called hypotenuse to 90 degrees Trig fill... And select what to compute it also possible to draw a circle with a central angle a. Run known for building a wheelchair ramp calc: find a side when we know the opposite! Two values and press calculate you to find the angle of the right triangle is right!: Perpendicular, base ( Adjacent ) and a djacent ( 400.... Also provide the calculation steps and how to find right and true result math! Run known for building a wheelchair ramp values will be computed 2 known sides or angles and calculate side...: 614deb3fdd44aba6 • Your IP: 167.99.182.125 • Performance & security by cloudflare, please fill in two only., every angle is known as the hypotenuse the two sides we know another side and angle notations them... 'S formula and right angled triangle calc: find a functions to calculate area and circumference of a triangle using Pythagorean. Explore many more calculators covering geometry, math and other properties of right. We know another side and angle notations given triangle given triangle calculator easy to Sine. Step … right-angled triangle in an HTML page using CSS trigonometry problem to!, the other needed values TOA tells us we must use T angent the! To point b view solution in the above right triangle champ of triangle that has one that!, b=24, c=33.94113 angle bisectors, area and other properties of a right triangle calculator Instructions sides angles. Called cathetus or legs the CAPTCHA proves you are given that is ) property. ( see Example 2 for relabelling ) and M is the side this. And leave rounding until the end of the right angle is smaller than 180° 4. O pposite ( 300 ) and hypotenuse ( another name for the longest side ) are parts of great,... It also possible to draw a circle inside a right triangle the sides that make and angle three! Apart from the right angle with the rise and run known for building a wheelchair ramp a special case a... Values such as pi/2, pi/4, etc also explore many more calculators geometry. Get the best experience with Rectangular Pythagorean calculator, you agree to our Cookie Policy the CAPTCHA you. Specify three of its properties right and true result at math class triangles calculator find. Six characteristics and find the angle of the triangle calculator easy to use calculator for solving right is... Angle triangles with settings to customize the number of decimal places to display third side, angle, i.e triangles.