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12 April, 04:34

The formula for the total surface area of closed hemisphere for any value of R is S=

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  1. 12 April, 08:25
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    The formula for the total surface area of closed hemisphere for any value of R is S = 3πR²

    Step-by-step explanation:

    The total surface area of closed hemisphere is given as;

    Curved surface area of the hemisphere + Base surface area of the hemisphere

    Curved surface area of the hemisphere, A = 2πr²

    Base surface area of the hemisphere, B = πr²

    The total surface area of closed hemisphere, S = A + B

    The total surface area of closed hemisphere, S = 2πr² + πr² = 3πr²

    Therefore, The formula for the total surface area of closed hemisphere for any value of R is S = 3πR²
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