Question

6 A circular wall clock has a radius of 12.5

inches. Which of the following is closest to
the circumference of the clock in inches?

Answer 1

78.5 in

Explanation:

In order to find the circumference of the clock you will need to use a formula C=2(Pi radius)

So it will actually be C=2(12.5) Pi

C=25 Pi

25 Pi = 78.53

Then round to get a circumference of 78.5 in