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8 April, 14:35

A circle has an area of 50 square meters. Which answer is closest to the measure of its diameter?

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  1. 8 April, 18:13
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    Area of a circle is computed by multiplying pi to the square of the circle's radius.

    A = πr²

    50m² = 3.14 r²

    50m²/3.14 = r²

    r² = 15.92m²

    r = √15.92m²

    r = 3.99m

    Diameter is computed by multiplying the radius twice.

    d = 2r

    d = 2 (3.99m)

    d = 7.98m or rounded up to 8 m
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