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22 December, 09:13

Determine the diameter of a circle that has an area of 22 cm2

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  1. 22 December, 09:15
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    Formula of the area if a circle = pi x R^2

    where R is the radius of circle and pi is 3.14 ...

    Therefore, 22 = pi x R^2

    R^2 = 7.002817496

    R = 2.646283714

    Diameter = 2R

    Therefore Diameter = 5.29cm
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