document.write( "Question 885194: A rectangle has sides of length 5 and 8. What is the length of the rectangle's diagonal? Express in radical form. \n" ); document.write( "
Algebra.Com's Answer #534960 by nerdybill(7384)\"\" \"About 
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A rectangle has sides of length 5 and 8. What is the length of the rectangle's diagonal? Express in radical form.
\n" ); document.write( "applying Pythagorean theorem:
\n" ); document.write( "\"5%5E2+%2B+8%5E2+=+c%5E2\"
\n" ); document.write( "\"25+%2B+64+=+c%5E2\"
\n" ); document.write( "\"89+=+c%5E2\"
\n" ); document.write( "\"sqrt%2889%29+=+c\"
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