document.write( "Question 515883: the length of a triangle are 5,12 and 13 what is the length of the longest side of a similar triangle whose perimeter is 90 \n" ); document.write( "

Algebra.Com's Answer #344191 by Alan3354(69443) $\"\"$ $\"About$

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That's 3 times the perimeter of the 5, 12, 13 triangle, so it's 3*13 = 39. \n" ); document.write( "

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