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March 26, 2017

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The perimeter of a triangle is 62 cm. If the second side is twice as long as the first side, and the third side is 12 cm longer than the second side, what is the length of the longest side of the triangle?

  • algebra 1 - ,

    Let x = first side, then 2x = second side and 2x + 12 is third side. They should add to 62.

    Solve for x.

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