document.write( "Question 478922: the area of a circle with radius r is equal to the area of a rectangle with base b. find the altitude of the rectangle in term of pi, r and b. \n" ); document.write( "
Algebra.Com's Answer #328159 by ankor@dixie-net.com(22740)\"\" \"About 
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the area of a circle with radius r is equal to the area of a rectangle with base b. find the altitude of the rectangle in term of pi, r and b.
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\n" ); document.write( "let a = the altitude of the rectangle
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\n" ); document.write( "Rect area = circle area
\n" ); document.write( "\"b%2Aa+=+pi%2Ar%5E2\"
\n" ); document.write( "divide both sides by b
\n" ); document.write( "a = \"%28pi%2Ar%5E2%29%2Fb\"
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