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OpenStudy (anonymous):
A triangle has sides of the following lengths: 3x + 1, 6x + 2, 8x - 2. What is the perimeter? Answer 10x + 1 17x - 1 17x + 1 5x + 1
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OpenStudy (pfenn1):
The perimeter is the sum of the lengths of the sides, so add up all the lengths given, collect like terms and simplify.
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