document.write( "Question 635189: The circumference of a circle is 42 pi inches. What is the area of the circle to the nearest tenth of an inch?\r
\n" ); document.write( "\n" ); document.write( "Which answer is it?\r
\n" ); document.write( "\n" ); document.write( "a. 66.0 in.^2\r
\n" ); document.write( "\n" ); document.write( "b. 131.4 in.^2\r
\n" ); document.write( "\n" ); document.write( "c. 1185.4 in.^2\r
\n" ); document.write( "\n" ); document.write( "d. 1385.4 in.^2
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Algebra.Com's Answer #400141 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "The circumference of a circle is 42 pi inches. \"2pi%2Ar+=+42%2Api\" r = 21
\n" ); document.write( "A = \"pi%2Ar%5E2+=+3.14%2A%2821in%29%5E2\" = 1385.4 in^2 \n" ); document.write( "
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