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17 August, 13:14

A ball has a diameter of 8 inches. What is its surface area? (Use 3.14 for π.)

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  1. 17 August, 15:53
    0
    Given,

    Diameter of the ball = 8 inches

    Radius of the ball (r) = diameter : 2 = 8 : 2 = 4 inches

    π = 3.14

    Surface area of the ball (A) is the same as the surface area for a sphere = 4 π r² = 4 * 3.14 * 4² = 200.96 inches²
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