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16 July, 09:02

The lengths of the sides of a triangle are three consecutive even integers. the perimeter of the triangle is 36 in. what is the length of the longest side of the triangle?

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  1. 16 July, 09:27
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    We call the length of 3 sides a, a+1 and a+2

    Cause we know its perimeter 36 so we have

    a+a+1+a+2=36

    or 3a+3=36

    and 3a=36-3

    so 3a=33

    a=11

    And the length of the longest side is 13
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