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25 January, 15:56

The exact area of a circle is 81rr square inches. what are the radius and diameter of the circle?

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  1. 25 January, 19:30
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    5.11165651233 is the radius

    10.2233130247 is the diameter

    Area = pi r2 81/3.14 = 5.11165651233 Square root = 5.11165651233

    Hope I become the brainliest
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