document.write( "Question 480812: find the length of a rectangle:
\n" ); document.write( "given the width is 3 inches long
\n" ); document.write( "and the diagonal is 20 inches long
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Algebra.Com's Answer #329217 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
Use the Pythagorean theorem \"w%5E2%2Bl%5E2=d%5E2\" where w- width, l- length, d-diagonal
\n" ); document.write( "\"l%5E2=d%5E2-w%5E2\"
\n" ); document.write( "\"l%5E2=20%5E2-3%5E2400-9=391\"
\n" ); document.write( "\"l=sqrt%28391%29=19.77\"inches
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