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13 April, 13:37

What is the area of a circle with a radius of 7 cm? (Use 3.14 for and round to the nearest tenth.)

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Answers (2)
  1. 13 April, 17:25
    0
    A = 153.9 cm^2

    Step-by-step explanation:

    We know the area of a circle is given by

    A = pi r^2

    We are given the radius and pi

    A = 3.14 (7) ^2

    A = 153.86 cm^2

    Rounding to the nearest tenth

    A = A = 153.9 cm^2
  2. 13 April, 17:31
    0
    The area is pi times the radius squared, which would be 49 pi, or 49*3,14, which is 153,86. Rounding, it would be 153,9.
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