document.write( "Question 635240: Please help me. The perimeter of a triangle is 90 cm\r
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\n" ); document.write( "\n" ); document.write( "The lengths of the sides of the triangle
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Algebra.Com's Answer #400177 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "The perimeter of a triangle is 90 cm
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document.write( "The lengths of the sides of the triangle are in the ratios 3 : 5 : 7 
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document.write( " 3k + 5k + 7k = 90cm     | Letting k be the constant of the proportion
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document.write( "         15k = 90cm
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document.write( "           k = 6cm
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document.write( " , the longest side
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document.write( "and...
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