SOLUTION: 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

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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
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
10.5+15.7+X=31.9
X=31.9-10.5-15.7
X=5.7 CM. ANS.