document.write( "Question 715433: two sides of a triangle measure 10.5 and 15.7 if the perimeter is 31.9 what is the length of the third side in centimeters \n" ); document.write( "
Algebra.Com's Answer #439417 by checkley79(3341)\"\" \"About 
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10.5+15.7+X=31.9
\n" ); document.write( "X=31.9-10.5-15.7
\n" ); document.write( "X=5.7 CM. ANS.
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