Question

Question #a3679

Answer 1

Area: 81`pi` `cm^2` (or 254.34 `cm^2` if you use 3.14 for `pi`)
Circumference: 18`pi` `cm` (or 56.52 `cm` if you use 3.14 for `pi`)

Explanation:

Use the formula Area = `pi` `r^2` and the formula Circumference = 2`pi` `r`