Question

The rain-water collected on the roof of a building, of dimensions 22 m × 20 m, is drained into a cylindrical vessel having base diameter 2 m and height 3.5 m. If the vessel is full up to the brim, find the height of rain-water on the roof. Use $\pi = \frac{22}{7}$

Answer 1

radius = 1m
height = 3.5m
dimensions = 22×20×H
volume of cylinder = volume of building roof
Pi R^2 H = L×B×H
22/ 7× 1 × 1 × 3.5 = 22 × 20 × H
11 = 440 × H
H = 11/440
H = 1/40
H = 2.5 cm

Answer 2

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