document.write( "Question 198394: A triangle has sides 2y, 4y and (\"+root%28+4%2C+5+%29+\")y. Is the triangle a right triangle? Explain. \n" ); document.write( "
Algebra.Com's Answer #149011 by ankor@dixie-net.com(22740)\"\" \"About 
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A triangle has sides 2y, 4y and ( root( 4, 5 ) )y. Is the triangle a right triangle? Explain.
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\n" ); document.write( "A right triangle, the hypotenuse would be:
\n" ); document.write( "h = \"sqrt%28%282y%29%5E2+%2B+%284y%29%5E2%29\"
\n" ); document.write( "h = \"sqrt%284y%5E2+%2B+16y%5E2%29\"
\n" ); document.write( "h = \"sqrt%2820y%5E2%29\"
\n" ); document.write( "which is
\n" ); document.write( "h = \"sqrt%284%2A5%2Ay%5E2%29\"
\n" ); document.write( "Extract the perfect squares
\n" ); document.write( "h = \"2y%2Asqrt%285%29\" 0r \"2%2Asqrt%285%29y\"
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