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8 September, 15:19

The area of a circle of radius 12 units is equal to the surface area of a sphere of radius 6 units. True or false

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Answers (2)
  1. 8 September, 15:28
    0
    Area of the circle = pi r^2 = pi 12^2 = 144 pi

    surface area of the sphere 4 pi r^2 = 4 * 6^2 pi = 144 pi

    It is true
  2. 8 September, 15:47
    0
    The answer should be true
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