Question

In an equilateral triangle, the in-radius, circum-radius and one of the ex-radii are in the ratio

• A. \(2:3:5\)
• B. \(1:2:3\)
• C. \(1:3:7\)
• D. \(3:7:9\)

Hint:

For equilateral triangle, \(R = 2r\) and \(r_1 = 3r\).

Answer 1

The Correct Option is B