document.write( "Question 377353: what is the exact area of a circle with a diameter of 31 inches? \n" ); document.write( "
Algebra.Com's Answer #268095 by robertb(5830)\"\" \"About 
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\"A+=+pi%2Ar%5E2+=+pi%2A%2831%2F2%29%5E2+=+%28961%2Api%29%2F4\" square inches. \n" ); document.write( "
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