document.write( "Question 347704: Use the pythagorean Theorem to find the missing length when b=16 and c=20 \n" ); document.write( "
Algebra.Com's Answer #248638 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
A^2+B^2=C^2
\n" ); document.write( "A^2+16^2=20^2
\n" ); document.write( "A^2+256=400
\n" ); document.write( "A^2=400-256
\n" ); document.write( "A^2=144
\n" ); document.write( "A=SQRT144
\n" ); document.write( "A=12 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "12^2+16^2=20^2
\n" ); document.write( "144+256=400
\n" ); document.write( "400=400
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