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20 December, 14:02

The diameter of a circle is 10 meters what is the area of the circle A 31.4m2 B 62.8m2 C 78.5m2 D 125.6m2

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Answers (2)
  1. 20 December, 14:31
    0
    A = 78.5 m^2

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    The radius is found from the diameter

    r = d/2 = 10/2 = 5

    We can approximate pi by

    A = 3.14 (5) ^2

    A = 3.14 * 25

    A = 78.5 m^2
  2. 20 December, 16:13
    0
    Answer:A31.4m

    Step-by-step explanation:

    a. 31.4m
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