what is T.S.A , C.S.A and volume of sphere and hemisphere ?
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Answer:
CSA = 2πr2. The curved surface area of a hemisphere = 2πr2 square units. The total surface area of the sphere = Curved surface area of sphere + base area. We know that the base of the hemisphere is circular in shape, use the area of the circle. TSA = 2πr2 + πr2 = 3πr2.
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Answer:
Surface Area = 2πrh.
Total Surface Area = 2πr(r + h)
Volume = πr 2 h.
Step-by-step explanation:
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