Question

This is some question pizza circles in math

Answer 1

Explanation:

Diameter : 10

Radius : 5

Area :

`\pi {r}^(2) = \pi{5}^(2) = 78.54`

Diameter: 18

Radius : 9

Area :

`\pi {9}^(2) = 254.47`

Diameter: 11

Radius: 5.5

Area:

`\pi {5.5}^(2) = 95.03`

Diameter: 12

Radius : 6

Area:

`\pi {6}^(2) = 113.09`