alleryWhat is the total surface area of a solid hemisphere of radius 7 cm? (Take π = 22/7)
A462 cm²
B154 cm²
C308 cm²
D616 cm²
Answer & Solution
Correct answer: A. 462 cm²
Total surface area is 3πr² (curved part 2πr² plus flat circle πr²) = 3 × 22/7 × 49 = 462 cm².
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