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9 September, 18:50

Find the circumference and the area of a circle with the diameter of 4

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  1. 9 September, 20:17
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    Step-by-step explanation:

    the area is : A = πr² r : radius d : diameter d = 2r so : r=d/2 = 4/2 = 2

    A = 3.14 (2²) = 12.56

    the circumference is P = 2πr 2 (3.14) (2) = 12.56
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