###### Exercise21

A circle’s radius is $${6\ {\rm m}}\text{.}$$

1. This circle’s circumference, in terms of $$\pi\text{,}$$ is .

2. This circle’s circumference, rounded to the hundredth place, is .

3. This circle’s area, in terms of $$\pi\text{,}$$ is .

4. This circle’s area, rounded to the hundredth place, is .

in-context