## Geometry: Common Core (15th Edition)

$153.9\ ft^2$
To find the area of a circle, we use the formula $A=\pi r^2$ $\pi$ is approximately 3.14. Plug in the given radius and approximate the value of $\pi$ in the formula and simplify: $A=\pi r^2=3.14\times7^2=3.14\times49=153.9$