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16 January, 12:14

A trampoline has an area of 49pi square feet what's the diameter of the trampoline

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  1. 16 January, 12:31
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    Area of a circle is π*r²

    sub what we're given

    49π = πr²

    49π = π*r²

    r² = 49π/π

    r²=49

    r=7

    The diameter is twice the radius therefore the diameter is 14 units
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