The spherical triangle doesn't belong to the Euclidean, but to the spherical geometry. Then click Calculate. How to calculate Side a of a triangle using this online calculator? 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. January 21, 2021 Leave a comment Leave a comment This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values of a triangle. Enter one value and choose the number of decimal places. Use this online incenter triangle calculator to find the triangle incenter point and radius based on the X, Y … 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. By … Spherical Triangle Calculator. 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. 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. Even easier, this calculator can solve it for you. 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. Then click Calculate. Area of an equilateral triangle. Calculations at an equilateral triangle or regular trigon. To calculate the area of an equilateral triangle you only need to have the side given: area = a² * √3 / 4. 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 three sides are parts of great circles, every angle is smaller than 180°. Free Triangles calculator - Calculate area, perimeter, sides and angles for triangles step-by-step This website uses cookies to ensure you get the best experience. The Ultimate triangle calculator is very powerful. This is the most simple regular polygon (polygon with equal sides and angles). Only in the equilateral triangle, the incenter, centroid and orthocenter lie at the same point. Search for: congruent triangles calculator. Equilateral Triangle Calculator. Enter radius and three angles and choose the number of decimal places. 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