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12 August, 16:40

Find the total surface area of a sphere with a radius of 9m

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Answers (2)
  1. 12 August, 16:41
    0
    1017.36m

    Step-by-step explanation:

    The formular for finding the total surface area of a sphere is 4πr²

    Where π is 3.14 and from the question r is 9m

    4X3.14X9²

    4X3.14X81

    1017.36m
  2. 12 August, 17:07
    0
    1017.36 m^2

    Step-by-step explanation:

    Step 1:

    Total Surface Area of sphere is given by

    TSF = 4 * π * r²

    Where r = radius of sphere

    π = 3.14

    Step 2:

    TSF = 4 * π * 9² r=9m

    = 1017.36 m²
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