document.write( "Question 1117750: the perpendicular sides of a right-angled triangle have lengths in the ratio 3:4. The perimeter of the triangle is 168cm. Find the lengths of the sides. \n" ); document.write( "
Algebra.Com's Answer #732873 by josgarithmetic(39617)\"\" \"About 
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\"3%5E2%2B4%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"9%2B16\"\r
\n" ); document.write( "\n" ); document.write( "\"25\"\r
\n" ); document.write( "\n" ); document.write( "\"5%5E2\"\r
\n" ); document.write( "\n" ); document.write( "This right triangle has sides in a ratio of 3:4:5.\r
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\n" ); document.write( "\n" ); document.write( "x, a common factor\r
\n" ); document.write( "\n" ); document.write( "\"3x%2B4x%2B5x=168\"
\n" ); document.write( "\"12x=168\"
\n" ); document.write( "\"x=14\"\r
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\n" ); document.write( "\n" ); document.write( "Side lengths:
\n" ); document.write( "42, 56, 70
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