The perimeter of a triangle is 37 feet. the length of the first side is 4 more than the length of the second side. the third side is equal to the second?
S1+S2+S3=37. We know that S1 is 4+S2, and S3=S2 so 3xS2 + 4 = 37, so the length of the first side is 15, and sides 2 and 3 are 11
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