Then click Calculate. Area of an equilateral triangle. How to calculate Side a of a triangle using this online calculator? Only in the equilateral triangle, the incenter, centroid and orthocenter lie at the same point. Search for: congruent triangles calculator. Enter radius and three angles and choose the number of decimal places. View a scaled diagram of the resulting triangle, or explore many other math calculators, as well as hundreds of other calculators addressing finance, health, fitness, and more. This calculator utilizes these equations: arc length = [radius • central angle (radians)] arc length = circumference • [central angle (degrees) ÷ 360] where circumference = [2 • π • radius] Knowing two of these three variables, you can calculate the third. The Ultimate triangle calculator is very powerful. This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values of a triangle. Here is how the Side a of a triangle calculation can be explained with given input values … January 21, 2021 Leave a comment Leave a comment Although we didn't make a separate calculator for the equilateral triangle area, you can quickly calculate it in this triangle area calculator. Calculations at a spherical triangle (Euler triangle). An online calculator to calculate the radius R of an inscribed circle of a triangle of sides a, b and c. This calculator takes the three sides of the triangle as inputs, and uses the formula for the radius R of the inscribed circle given below. Even easier, this calculator can solve it for you. Equilateral Triangle Calculator. Calculations at an equilateral triangle or regular trigon. Enter one value and choose the number of decimal places. To calculate the area of an equilateral triangle you only need to have the side given: area = a² * √3 / 4. Then click Calculate. By … To use this online calculator for Side a of a triangle, enter Side B (b), Side C (c) and Angle A (∠A) and hit the calculate button. Triangle Solver and Classify Triangles Calculator: If you are given a triangle with 2 sides and an included angle, 2 angles and an included side, or 3 sides, you can solve for any of these 3 methods. The incenter point always lies inside for right, acute, obtuse or any triangle types. Ex-radius of an equilateral triangle calculator uses Exradius of Equilateral Triangle=sqrt(3)*Side A/2 to calculate the Exradius of Equilateral Triangle, The Ex-radius of an equilateral triangle formula is given by r1 = √3a/2 where a is the side of an equilateral triangle. Spherical Triangle Calculator. When you have 3 parameters of triangle 1. all 3 sides, 2. side-angle-side, 3. angle-side-angle, 4.all 3 angles, type them in, then you will get area, perimeter, Circumscribed Circle Radius, Inscribed Circle Radius, and so on. 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