Question

Pls help
Pls help
Pls help

Answer 1

Explanation:

this will be the outter circle minus the inner circle for the area of the sidewalk

area of circle =
`\pi`
`r^(2)`

`\pi`
`11^(2)` = 380.1327

`\pi`
`9^(2)` = 254.469

380.1327 - 254.469 =125.6637062
`m^(2)`