Question

Radius of circumcircle of an equilateral triangle of side a

Answer 1

Answer:

a/√3 is the radius of the circumcircle of an equilateral triangle

Answer 2

We also know that radius of Circumcircle of an equilateral triangle = (side of the equilateral triangle)/ √3.

Therefore, area = π*r2 = π*a⅔