The volume of cone is 1617 cm3. If its height is 3.5 cm then find the radius of the cone.
Let the radius of the cone be ‘r’ cm Therefore, (1/3) × (22/7) × r2 × 3.5 = 1617 Or, r2 = 1617 × (7/11) = 441 Or, r = 21 (since, radius cannot be negative) Therefore, radius of the cone = 21 cm
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