Verified Answer :

xSamx

The formula to find the area of a circle isĀ \(A=\pi r^2\), where 'r' is the radius, they've given you diameter=22ft, the radius will be half of the diameter, r=11.
\(A=\pi r^2\)
\(A=\pi (11)^2\)
\(A=121 \pi\)
\(A \approx 380ft\)