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24 August, 19:54

The area of a circle with radius r is given by πr2. The area of a circle is 16π square units

What is the radius of the circle?

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  1. 24 August, 20:11
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    If A=pir2

    and we know A = 16pi

    All we need to do is find the square root of pi, which is 4. 4*4 = 16.

    So, the radius of the circle is 4.
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