document.write( "Question 1043445: Use the Pythagorean Theorem to find the lengths of the sides of the triangle.
\n" ); document.write( "a=x+3
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\n" ); document.write( "c=15 \n" ); document.write( "

Algebra.Com's Answer #658578 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "Use the Pythagorean Theorem to find the lengths of the sides of the triangle.
\n" ); document.write( "a=x+3
\n" ); document.write( "b=x
\n" ); document.write( "c=15
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document.write( " =   --->   =   --->\r\n" );
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document.write( " =   --->   =   --->\r\n" );
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document.write( " = \r\n" );
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document.write( "Solve this quadratic equation. The roots are  x = 9  and/or  x = -12.\r\n" );
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document.write( "Reject the negative root. Hence, only x = 9 is the solution.\r\n" );
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document.write( "The legs are 9 and 12.\r\n" );
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document.write( "It is (3-4-5) Pythagorean triangle 9, 12, 15.\r\n" );
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