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The radius of the base of a cylinder of a cylinder is 14 cm and its volume is 6160 cm3. The curved surface area (in cm2) is:(take π = 22/7)1. 8802. 7783. 9404. 660 |
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Answer» Correct Answer - Option 1 : 880 Given: Radius = 14 cm Volume = 6160 cm3 Formula used: (i) Volume of cylinder = π × r2 × h (ii) Curved surface area = 2 × π × r × h Calculations: Volume = π × r2 × h ⇒ 6160 = (22/7) × (14)2 × h ⇒ h = (6160 × 7)/(22 × 196) ⇒ h = 10 cm Curved surface area = 2 × π × r × h ⇒ 2 × (22/7) × 14 × 10 ⇒ 2 × 22 × 2 × 10 ⇒ 880 cm2 ∴ The curved surface area is 880 cm2 |
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