document.write( "Question 556907: the diagonal of a rectangle measures 5 cm. the width of the rectangle is 3 cm. find the length of the rectangle \n" ); document.write( "
Algebra.Com's Answer #362317 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
this shows a 3 4 5 right triangle, it is a basic right triangle in most example books\r
\n" ); document.write( "\n" ); document.write( "but if you dont recognize it straight of the bat then this is how you find it
\n" ); document.write( "\"a%5E2%2Bb%5E2=c%5E2\"
\n" ); document.write( "a=3 c=5
\n" ); document.write( "\"3%5E2%2Bb%5E2=5%5E2\"
\n" ); document.write( "\"9%2Bb%5E2=25\"
\n" ); document.write( "\"b%5E2=16\"
\n" ); document.write( "\"b=4\"
\n" ); document.write( "a=3 b=4 c=5 hence the 3 4 5 triangle\r
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