Question

http://prntscr.com/6cryhu

Answer 1

We can use the formula: \[A = r^2\pi\]

Answer 2

Where 'r' is the radius.

Answer 3

Formula:\[A = \pi r^2\]

Answer 4

\[Radius =Diameter / 2\]

Answer 5

\[Radius = 44/2 = 22\]

Answer 6

\[22^2 = 484\]

Answer 7

\[Answer = 484 \pi \]

Answer 8

Thanks ^-^