How much volume of a biggest hemisphere if the radius of a base is 4.2m?
a) 155.23m3 b) 150m3 c) 170m3 d)210m3
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Answer is = 150m3
Its surface area = [Lateral surface area] + [Base area] ... (ii) how much steel was actually used if 12 of the steel actually used was wasted in ... Curved surface area of a hemisphere = 2πr2.
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