Question

Area of of base of a solid hemisphere is 36 π square centimetre then find its volume

Answer 1

Given ;

area of base of a solid hemisphere = πr² = 36π cm²

Thus

• r² = 36
• r = ± 6 but length is always +ve
• r = 6cm

Thus volume of a solid hemisphere => 2/3×πr³

• 2/3 × π × 6 × 6 × 6
• 2 × 2 × π × 36
• 4 × 36 × π
• 144 × π
• 144 × 22/7
• ≈ 452.57 cm³

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