The figure shows a planetarium’s viewing room, which is in the shape of a hemisphere.
the dia...
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Mathematics, 12.07.2019 07:10 wobblewobbley
The figure shows a planetarium’s viewing room, which is in the shape of a hemisphere.
the diameter of the hemisphere is 60 feet. what is the surface area of the curved viewing area of the planetarium? (use 3.14 for π. round the answer to the nearest tenth, if necessary. recall that the formula for the surface area of the curved part of a hemisphere is sa = 2πr2.)
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