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24 October, 11:28

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

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  1. 24 October, 11:57
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    The answer is about 1017.88.

    Step-by-step explanation:

    Knowing that the equation to find the total surface area of a sphere is A=4πr², just plug in 9 as the radius.

    A=4πr² - --> A=4π9² - --> A=4π81 - --> A=4 (254.469004941) - --> A=1017.87601976
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