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Workwise · Answer 1 · 2019-12-03T21:04:35+0000

SA=4(pi)r^2
SA=4(pi)(7)(7)
SA=615.7521601 sq. units

Now divide the SA by half cause a hemisphere is half a sphere.

615.752... sq units / half = 307.876...sq. units

307.876...sq. units is your final answer!

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