Question

If the sum of diameter of a circle of radius 'r' and radius of semicircle of radius 'R' is 42 cm, then find the radius of another circle whose circumference is 200% more than sum of circumference of given circle and semicircle?
A. 48
B. 63
C. 45
D.54
E. 60​

Answer 1

Answer:

I hope it's B. 63.

I'm not that sure