Mensurationmedium · Past Paper
The total surface area of a solid hemisphere is 1848 cm². Find its radius.
A7 cm
B14 cm
C21 cm
D28 cm
✓ Correct Answer: B — 14 cm
3πr² = 1848 => 3 * (22/7) * r² = 1848 => r² = 196 => r = 14 cm.
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