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22 October, 13:14

The radius of a solid hemisphere is 2r. Find its total surface area

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  1. 22 October, 13:47
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    Radius = 2r

    Step-by-step explanation:

    Surface area of hemisphere

    =2 x 22/7 x (2r) ^2

    =44/7 x 4 r^2

    =174/7 r^2

    =25.14 r^2
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