Find the perimeter of a triangle whose sides are 5a+6b+12ab, −2a+5b+17ab, and −5a−6b. (No spam please.) Thank you! :D
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Answer:
Perimeter of triangle = sum of three sides
= (5a+6b+12ab) +
(-2a+5b+17ab) +
(-5a-6b)
= -2a+5b+29ab
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