document.write( "Question 636072: Find the area of a circle with a radius of 21. \n" ); document.write( "
Algebra.Com's Answer #400729 by jim_thompson5910(35256)\"\" \"About 
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A = pi*r^2\r
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\n" ); document.write( "\n" ); document.write( "A = (3.14)*(21)^2\r
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\n" ); document.write( "\n" ); document.write( "A = 1384.74 square units (approximately)
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