Exams › SSC CGL (Prelims) › General

In an equilateral triangle, if the inradius is 4 cm, what is the circumradius?

1. 8 cm
2. 6 cm
3. 10 cm
4. 12 cm

Correct answer: 8 cm

Solution

In an equilateral triangle, the circumradius R and inradius r satisfy R = 2r. Since r = 4 cm, R = 8 cm.

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