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20 June, 09:37

The circumference of a circle is 3π in. What is the area of the circle? 1.5π in² 2.25π in² 6π in² 9π in²

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  1. 20 June, 09:51
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    C = 2 πr

    so

    r = C/2 π

    r = 3 π/2 π

    r = 3/2

    r = 1.5

    A = πr^2

    A = π (1.5) ^2

    A = 2.25 π

    answer

    2.25π in²
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