Question

* You may use a calculator on this question.

A circle has a radius of 23.85 inches.
What is the circumference of this circle?
Use 3.14 for pi. Round your final answer to the nearest tenth.
74.9 inches
1786.1 inches
149.8 inches
Please help

Answer 1

The circumference formula is 168.6

where r is the radius given to us as 26.85, and pi is to be 3.14. In our formula then, we have

.

Doing that multiplication and rounding to the nearest tenth leaves us with a circumference of 168.6 inches.

Answer 2

circumference is 149.8 inches

Because the formula is C=2x3.14x23.85 ( circumference = 2 times pi times radius )