what is the formula of t.s.a of hemisphere in radius
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3πr2(Three pie r square)
Step-by-step explanation:
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.Therefore,TSA of hemisphere =3πr2
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