Question

Plsss help!!!!!!!! ​

Answer 1

Explanation:

so the area of a circle is A=
`\pi r^(2)`

111.6=3.14*
`r^(2)` divide by 3.14 on both sides. that makes 36=
`r^(2)` take the square root of both sides. r=6.

now we find the diameter. 2\pi r=2*3.14*6=3.14*12 which is approximately 38.68