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27 February, 10:24

What is the diameter of a trampoline with an area of 49 square ft

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  1. 27 February, 13:17
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    Using the formula A = πr^2

    49 = 3.14r^2

    Divide both sides by 3.14

    15.6 = r^2

    Get the square root

    r ≈ 4

    d = r * 2

    So the diameter is around 8 ...
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