Posted by Matt on Tuesday, May 10, 2011 at 6:08pm.
Find the area of: A square with radius 9. (Please explain how you found it! Thanks!)

geometry  freda, Tuesday, May 10, 2011 at 6:45pm
use the formula of pie r squared
3.14(9)^2 = ?

geometry  PsyDAG, Tuesday, May 10, 2011 at 7:57pm
It would help if you proofread your questions before you posted them.
A square doesn't have a radius.
However, if you meant circle, freda's answer is correct.
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