Question

the total surface area of a solid hemisphere is 462 CM square find its volume

Answer 1

TSA of hemisphere = 3πr²

462 = 3×22/7×r²

r² = 462×7/66

r² = 49

r = ✓49 = 7cm

Volume of hemisphere = 2/3πr³ = 2/3×22/7×7×7 = 2×22×7/3 = 102.66 cm³

HENCE,

THE VOLUME OF HEMISPHERE = 102.66CM³

Answer 2

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