## Prealgebra (7th Edition)

$T=49\pi$ square feet $T=153.86$ square feet
The area of a circle can be calculated as: $T=r^2\pi$, where r is the length of the radius. Here: $T=7^2\pi=49\pi$ square feet. By substituting 3.14 into $\pi$: $T=49\pi=49\times 3.14=153.86$ square feet.