geometry
posted by Arshi on .
Rain water from the flatt roof of a building 20 m by 5 m
flows into a cylindrical tank of diameter 2 m.
Find the increase in depth of water in the tank
after 11 mm of rain.
Give your answer in meters.
Vcyulinder= Πr2h. Use Π≈(22/7).

no idea, unless you say how fast it's raining.