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22 January, 13:41

The circumference of a circle is 8pi inches. Find its radius and area.

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  1. 22 January, 14:15
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    The circumference of the circle is calculated through the equation, C = 2πr. From this, the radius is calculated by,

    r = C / 2π

    Substituting the known values,

    r = 8π / 2π = 4

    The area of a circle is,

    A = πr²

    Substituting,

    A = π4² = 16π units²
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