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25 July, 11:36

A trampoline has an area of 49pi square feet. What is the diameter of

the trampoline?

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Answers (1)
  1. 25 July, 12:04
    0
    The diameter is 14π

    Step-by-step explanation:

    We know the area of a circle is πr^2

    let 49π=πr^2

    Cancel the π's, and you get 49=r^2

    Take the square root and you get r=7

    The diameter of a circle is 2πr.

    2π (7) = 14π.
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