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11 January, 19:51

What is the radius of a circle if the area is 78.5 cm^2

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  1. 11 January, 20:27
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    78.5 = (3.14) r^2

    25=r^2

    5=r

    So, the radius of a circle with an area is 78.5 cm^2 is 5 cm^2
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