Question
The height of a cylinder is 20 cm. The lateral surface
area is 1760 cm². Its volume is:Solution
Height (h) = 20 cm Lateral Surface Area = 1760 cm² 2πrh = 1760 ⟹ 40πr = 1760 ⟹ r = 1760/125.6 ≈ 14 cm Volume = πr2h = π × ( 14 ) 2 × 20 = π × 3920 ≈ 12320 cm³
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