SOLUTION: A triangle has a perimeter of 99 meters. If 2 of it's sides are equal and the third side is 15m more than the equal sides, What is the length of the third side?

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Question 1166707: A triangle has a perimeter of 99 meters. If 2 of it's sides are equal and the third side is 15m more than the equal sides, What is the length of the third side?
Answer by josgarithmetic(39616) About Me  (Show Source):
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x, either of the congruent sides
x+15, the noncongruent side
2x%2B%28x%2B15%29=99
3x%2B15=99
x%2B5=33
x=28

The third or noncongruent side is 28%2B15=highlight%2853%29meters.