Question

Calculate the shaded area

Answer 1

6.75
`\pi` or 21.2

Explanation:

Find the area of the small circle using
`\pi r^(2)`

Plug in 1.5 for r to get 2.25
`\pi`

Find the area of the big circle using
`\pi r^(2)`

Plug in 3 for r to get 9
`\pi`

Subtract the area of the small circle from the big circle to get 6.75
`\pi` or 21.2