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25 February, 21:38

Barry is building a fence around rround his bacyard. The backyard is in the shape of a rectangle and the longest side of the yard is 20 meteers. The fence will have a perimer of 60 meters. How many meters long is the short side of the backyrad

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  1. 25 February, 21:51
    0
    10m

    Step-by-step explanation:

    Recall that the perimeter of a rectangle

    = (2 x Long Side) + (2 x Short Side)

    we are given that each of the long side = 20m and the perimeter is 60m

    substituting these into the equation,

    60 = (2 x 20) + (2 x Short Side)

    60 = 40 + (2 x Short Side) (subtract 40 from both sides)

    60-40 = (2 x Short Side)

    (2 x Short Side) = 20 (divide both sides by 2)

    Short Side = 20 / 2 = 10m
  2. 25 February, 22:06
    0
    Sorry if this is wrong, but I didn't quite understand your wording. I'll answer the best I can!

    Step-by-step explanation:

    2 x (L + W)

    2 x (20 + 10)

    2 x 30

    60

    The answer is 10 meters.
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