The total surface area of a solid hemisphere is 462 square cm ,find its volume
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Answer:
Step-by-step explanation:
Surface Area = 3*pi*r²
462 = 3 *22/7*r²
r² = 462*7/(22*3)
= 49
r = 7 cm
Volume = 2*pi*r³/3
= 2*22*7³/(7*3)
=2156 / 3
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