OpenStudy (anonymous):

Find the area of a circle with diameter 18 ft.

4 years ago
OpenStudy (zehanz):

The area of a circle can be calculated with: $$A=\pi r^2$$, where r is the radius. Also, d=2r, so there you go...

4 years ago
OpenStudy (anonymous):

Thank you.

4 years ago
OpenStudy (zehanz):

YW!

4 years ago