If the difference between the circumference and diameter of a circle is 60 cm, what is the radius of the circle?

A    5cm

B    10cm

C    14cm

D    20 cm

Solution

Correct Answer: Option C

 

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

 

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