If the difference between the circumference and diameter of a circle is 60 cm. then the radius of the circle approximately is:

If the difference between the circumference and diameter of a circle is 60 cm. then the radius of the circle approximately is:

A 9 cm

B 7cm

C 5 cm

D 14 cm

Solution

Correct Answer: Option D

if , radius = r then here, 2πr-2r=60 or, r = 60/(2π-2) or,r= 14.008