alleryHemisphere fixed on a cube: how is the block's area found?
AAdd both total areas
BSubtract base, add curve
CAdd curved area only
DAdd base, subtract curve
Answer & Solution
Correct answer: B. Subtract base, add curve
1. The hemisphere's base covers part of the cube's top face.
2. So subtract that base area from the cube's total surface area.
3. Then add the hemisphere's curved surface area.
_Source: NCERT Class 10 Mathematics, Chapter 12 Surface Areas and Volumes, 12.2_
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