###### Exercise 89

A circle’s circumference is \({39\ {\rm cm}}\text{.}\) Find the following values. Round your answer to at least 2 decimal places.

This circle’s diameter is .

This circle’s radius is .

A circle’s circumference is \({39\ {\rm cm}}\text{.}\) Find the following values. Round your answer to at least 2 decimal places.

This circle’s diameter is .

This circle’s radius is .