document.write( "Question 547794: leg of an isosceles right triangle when the hypotenuse is 18 centimeters long? \n" ); document.write( "
Algebra.Com's Answer #356573 by JBarnum(2146)\"\" \"About 
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the legs are the same length as given
\n" ); document.write( "so use the formula \"a%5E2%2Bb%5E2=c%5E2\" \"a=b\" and \"c=18\"
\n" ); document.write( "\"2a%5E2=18%5E2\"
\n" ); document.write( "\"2a%5E2=324\"
\n" ); document.write( "\"a%5E2=162\"
\n" ); document.write( "\"sqrt%28a%5E2%29=sqrt%28162%29\"
\n" ); document.write( "\"a=sqrt%289%5E2%282%29%29\"
\n" ); document.write( "\"a=9sqrt%282%29\"
\n" ); document.write( "\"b=9sqrt%282%29\"\r
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