Question

An equilateral triangle is inscribed circle if its one side is 10 centimetre find the radius of a circle

Answer 1

The radius of the inscribed circle and circumscribed circle in an equilateral triangle with side length 'a'. Equilateral triangle with side ‘a’ , Radius of circumscribed circle = 10 cm => 10 = (sqrt(3))a/3. Length of side ‘a’ = 10*3/sqrt(3) = 10(sqrt(3)) cm.