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11 May, 16:36

Use the radius you found in part I (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. Show your work and round your answer to the nearest tenth.

The surface area of a sphere: SA = 4πr^2

Self note: 3.8.4

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  1. 11 May, 20:02
    0
    9021.1

    Step-by-step explanation:

    The surface area of a sphere: SA = 4πr²

    where radius, r = 26.8 cm

    π = 3.14

    put r in the formula above

    SA = 4 * 3.14 * 26.8²

    = 4 * 3.14 * 718.24

    = 9021.094

    Rounding to nearest tenth

    9021.1
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