document.write( "Question 444018: Find the length of a diagonal of a rectangle that is 16 units long and 12 units wide. \n" ); document.write( "
Algebra.Com's Answer #306181 by rwm(914)\"\" \"About 
You can put this solution on YOUR website!
This is classic Pythagorean theorem where the diagonal is the hypotenuse.
\n" ); document.write( "a^2+b^2=c^2
\n" ); document.write( "16^2+12^2=c^2
\n" ); document.write( "256+144=c^2
\n" ); document.write( "400=c^2
\n" ); document.write( "20=c
\n" ); document.write( "this is also the classic 3, 4,5 triangle multiplied by 4
\n" ); document.write( "12,16,20
\n" ); document.write( "Which you should know by heart
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