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4 July, 08:46

The second side of the triangle deck is 4 feet longer than the shortest side. The third side of the deck is 4 feet shorter than twice the length of the shortest side. If the perimeter of the deck is 76 feet, what are the lengths of the three sides?

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  1. 4 July, 09:16
    0
    Step-by-step explanation:

    let s = the length of the shortest side

    :

    Write an equation for each statement

    :

    The second side of a triangular deck is 4 feet longer than the shortest side

    (s+4) = the 2nd side

    and a third side that is 4 feet shorter than twice the length of the shortest side.

    (2s-4) = the 3rd side

    :

    If the perimeter of the deck is 48 feet, what are the lengths of the three sides?

    s + (s+4) + (2s-4) = 48

    Combine like terms

    s + s + 2s + 4 - 4 = 48

    4s = 48

    s = 48/4

    s = 12 ft is the shortest side

    :

    :

    I'll let you find the 2nd and 3rd sides, ensure they add up to 48
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