Mensurationmedium · Past Paper
Find the volume of the material of a hollow sphere whose outer and inner radii are 10 cm and 8 cm respectively.
A488/3 π cm³
B1952/3 π cm³
C244π cm³
D1000π cm³
✓ Correct Answer: B — 1952/3 π cm³
Vol = 4/3 π (R³ - r³) = 4/3 π (1000 - 512) = 4/3 π (488) = 1952/3 π cm³.
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