document.write( "Question 1149828: The lengths of the sides of a triangle are in the extended ratio 4 : 9 : 10. The perimeter of the triangle is 69 cm. What are the lengths of the sides? \n" ); document.write( "

Algebra.Com's Answer #771167 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Then the side lengths are 4x, 9x and 10x.\r\n" );
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document.write( "For the perimeter, you have this equation\r\n" );
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document.write( "    4x + 9x + 10x = 69,   or\r\n" );
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document.write( "    23x           = 69,\r\n" );
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document.write( "      x           = 69/23 = 3 cm.\r\n" );
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document.write( "Hence, the sides are 4*3 = 12 cm,  9*3 = 27 cm  and  10*3 = 30 cm.    ANSWER\r\n" );
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