The area of an equilateral triangle via the radius of the circumscribed circle online calculator

Online calculator which will help you to find the area of an equilateral triangle using the radius (r) of the circle.
An equilateral triangle is a regular polygon with three sides, the simplest of all regular polygons, all sides of the triangle are equal, all angles are also equal and are 60° and an equilateral triangle the altitude is the angle bisector, and median.



Нахождение площади равностороннего треугольника через радиус описанной окружности.