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23 July, 11:19

The length of triangles are consecutive odd integers. The perimeter is 87 cm. What is the length of the longest side.

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  1. 23 July, 11:59
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    X + (x+2) + (x+4) = 87

    3x = 81

    x = 27

    So the longest side is 27+4 = 31
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