A triangle of maximum area is inscribed in a circle. If a side of the triangle is `20sqrt3` then the radius of the circle is

The triangle of maximum area that can be inscribed in a circle is

An equilateral triangle is inscribed in a circle. If a side of the triangle is 12 cm. If a side of the triangle is 12 cm. Find the area of the circle.

A circle is inscribed ina n equilateral triangle and a square is inscribed in the circle. The ratio of the area of the triangle to the area of the square is

The triangle of maximum area that can be inscribed in a given circle of radius 'r' is