Question discussion

The total surface area of a solid hemisphere of radius 7 cm is (take π = 22/7)

2248Medium DSSSB TGT Computer Science 0 replies 3 views
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The total surface area of a solid hemisphere of radius 7 cm is (take π = 22/7)

  • A616 cm²
  • B308 cm²
  • C154 cm²
  • D462 cm²
Correct answer: D

Explanation

Total surface area = 3πr² = 3 × (22/7) × 49 = 462 cm².

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