Question

A) The difference between the circumference and the diameter of a circle i 30cm

Find the radiu of the circle​

Answer 1

The correct answer is : 7.0093 cm

Explanation:

(2*π*r)- (d)=30

as here d=diameter and d=2*r

so on putting d=2r ans solving the above equation we get radius as 7.0093 cm