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13 February, 19:20

The perimmerter of a triangle is 27 inches. only 2 sides are known 12.3 and 5.4. What is the third side and what is the equation

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  1. 13 February, 20:22
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    9.3 in

    Step-by-step explanation:

    Perimeter = add up the sides

    12.3 + 5.4 + x = 27

    17.7 + x = 27

    x = 27-17.7

    x = 9.3
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