document.write( "Question 1180730: A triangle has a perimeter of 69 meters. The length of the second side is twice the length of the first side. The third side is 5 meters longer than the first side. How long is each side? \n" ); document.write( "

Algebra.Com's Answer #810494 by ikleyn(52793) $\"\"$ $\"About$

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document.write( "x = 1st side\r\n" );
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document.write( "2x = 2nd side\r\n" );
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document.write( "(x+5) = 3rd side\r\n" );
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document.write( "    x + 2x + (x+5) = 69\r\n" );
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document.write( "        4x         = 69-5 = 64\r\n" );
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document.write( "         x                = 64/4 = 16\r\n" );
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document.write( "ANSWER.  1st side is 16 m long.  2nd side is 32 m long.  3rd side is 21 m long.\r\n" );
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