The volume of cone is 1689.6 cm3. If its height is 2.8 cm then find the radius of the cone.
Let the radius of the cone be ‘r’ cm Therefore, (1/3) × (22/7) × r2 × 2.8 = 1689.6 Or, r2 = 1689.6 × (7/11) = 576 Or, r = 24 (since, radius cannot be negative) Therefore, radius of the cone = 24 cm
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