Why was a drain dug around the tent?
The rain water from a roof of dimensions 22 m×20 m drains into a cylindrical vessel having diameter of base 2 m and height 3.5 m If the rain water collected from the roof just fills the cylindrical vessel, then find the rain fall in cm.
Rain water from a rectangular 22 m × 20 m roof drains into a cylindrical vessel of diameter 2m and height 3.5 m. If the rain water collected from the roof fills 45 th of the cylindrical vessel then find the rainfall in cm