Question

What is the ratio of radius of circumcircle to the radius of incircle of an equilateral triangle?​

Answer 1

2:1

We know that the ratio of circumradius & inradius of an equilateral triangle is 2:1. The ratio of circumference of circumcircle & circumference of incircle will be = 2∏R/2∏r =(R/r) = 2:1