document.write( "Question 322692: Given a triangle with x, y and z. x=12 and z=15 what is y? \n" ); document.write( "

Algebra.Com's Answer #231002 by QH(50) $\"\"$ $\"About$

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Use the Pythagorean Theorem $\"x%5E2%2By%5E2=z%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"12%5E2%2By%5E2=15%5E2\"$
\n" ); document.write( " $\"144%2By%5E2=225\"$
\n" ); document.write( " $\"y%5E2=81\"$
\n" ); document.write( " $\"sqrt%28y%5E2%29=sqrt%2881%29\"$
\n" ); document.write( " $\"y=9\"$ \n" ); document.write( "

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