Arithmetic Ability
Area

37 / 149

Q.

A sector of 120, cut out from a circle, has an area of 66/7cm2. Find the radius of the circle ?

View Answer

Correct choice: C

Explanation:

Let the radius of the circle be r cm. Then, 120/360πr2=66/7 r2=66/7*7/22*3 r=3.
37 / 149