Question
Download Solution PDFA hollow sphere has an outer radius of 4 cm and inner radius of 1 cm. What is the volume of this hollow sphere?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
For hollow sphere,
Outer radius (ro) = 4 cm.
Inner radius (ri) = 1 cm.
Concept used:
Volume of hollow sphere
Volume of hollow sphere = 4/3π(ro3 - ri3)
Calculation:
Volume of hollow sphere = (4/3)π × (43 - 13)
⇒ (4/3)π × (64 - 1)
⇒ (4/3)π × 63
⇒ 84π
∴ The volume of the hollow sphere is 84π cm3.
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