All the rain water from a flat roof measuring 22 m by 20 m drains into a cylindrical vessel of diameter 2 m and height 3.5 m, filling it exactly to the brim. Find the depth of rainfall in cm. Take π = 22/7.

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Accepted Answer

2.5. Vessel volume = (22/7) × 1² × 3.5 = 11 m³. Roof area = 22 × 20 = 440 m². Depth of rain = 11/440 = 0.025 m = 2.5 cm.

All the rain water from a flat roof measuring 22 m by 20 m drains into a cylindrical vessel of diameter 2 m and height 3.5 m, filling it exactly to the brim. Find the depth of rainfall in cm. Take π = 22/7.

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