Question

A clock has a face with a radius of 11.5 centimeters. What is the approximate circumference of the clock?

A. 72.22 cm
B. 36.11 cm
C. 3.66 cm
D. 18.06 cm

Answer 1

C = 2 pi r
C = 2 x 3.14 x 11.5
C = 72.22
answer is 
A. 72.22 cm

Answer 2

The answer is A, the actual circumference is around 72.25