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21 August, 06:51

Find the area of a circle with diameter 18 ft

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Answers (2)
  1. 21 August, 08:07
    0
    Formula of the Area of a circle: π. R²

    Diameter = 18 ft so R, te radius = 9ft

    Hence area of this circle = π. (9) ² = 81π ft² OR 254.47 ft²
  2. 21 August, 08:15
    0
    Hello:

    the area is : A = πr²

    π ≃ 3.14 r : ridus

    diameter = 2 r

    r = 18/2 = 9 ft

    A=3.14*9² = 254.34 ft²
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