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circlek84

  • 3 years ago

given the area A of a circle, the formula r = sqrt(A/3.14) can be used to calculate the radius of the circle. find the area when the radius is 9.9cm

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  1. muhammad9t5
    • 3 years ago
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    A=pi*r^2 now yu can get area by the formula.

  2. circlek84
    • 3 years ago
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    98.01pi^2

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