document.write( "Question 1074446: A right angled triangle with hypotenuse 20cm. A square 6cm placed in the right angle of the triangle. The hypothenuse touches the top right corner of the square.
\n" ); document.write( "What is length of other two sides?\r
\n" ); document.write( "\n" ); document.write( "I started usi g similar triangles and called base (x+6) and height (y+6) getting
\n" ); document.write( "y=36/x. Then use Pythagoras. But can't simplify the complicated algebra I get after that. \r
\n" ); document.write( "\n" ); document.write( "Can anyone help?
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Algebra.Com's Answer #689248 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "By Pythagoras,
\n" ); document.write( "\"%28x%2B6%29%5E2%2B%28y%2B6%29%5E2=20%5E2\"
\n" ); document.write( "By similar triangles,
\n" ); document.write( "\"y%2F6=%28y%2B6%29%2F%28x%2B6%29\"
\n" ); document.write( "So,
\n" ); document.write( "\"6%28y%2B6%29=y%28x%2B6%29\"
\n" ); document.write( "\"%28x%2B6%29=%286%28y%2B6%29%29%2Fy\"
\n" ); document.write( "\"%28x%2B6%29%5E2=%2836%28y%2B6%29%5E2%29%2Fy%5E2\"
\n" ); document.write( "Substituting,
\n" ); document.write( "\"%2836%28y%2B6%29%5E2%29%2Fy%5E2%2B%28y%2B6%29%5E2=400\"
\n" ); document.write( "\"36%28y%2B6%29%5E2%2By%5E2%28y%2B6%29%5E2=400y%5E2\"
\n" ); document.write( "\"36%28y%5E2%2B12y%2B36%29%2B%28y%5E4%2B12y%5E3%2B36y%5E2%29=400y%5E2\"
\n" ); document.write( "\"%2836y%5E2%2B432y%2B1296%29%2B%28y%5E4%2B12y%5E3%2B36y%5E2%29=400y%5E2\"
\n" ); document.write( "\"y%5E4%2B12y%5E3%2B72y%5E2%2B432y%2B1296=400y%5E2\"
\n" ); document.write( "\"y%5E4%2B12y%5E3-328y%5E2%2B432y%2B1296=0\"
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\n" ); document.write( "Graphing finds two positive solutions,
\n" ); document.write( "\"y=3.04\" and \"y=11.84\"
\n" ); document.write( "with corresponding x values,
\n" ); document.write( "\"%28x%2B6%29=%286%28y%2B6%29%29%2Fy\"
\n" ); document.write( "\"x=11.84\" and \"x=3.04\"
\n" ); document.write( "So then the lengths of the other sides are,
\n" ); document.write( "\"x%2B6=17.84\"\"cm\"
\n" ); document.write( "\"y%2B6=9.04\"\"cm\"
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