A cylindrical drum of 15cm radius and 70cm height is full of water. The water is emptied into a rectangular tank 225cm long and 70cm wide. Find the height of water level in the tank.
a) 3.5cm b) 2.25cm c) 3.142cm d) 1.57cm
a) 3.5cm b) 2.25cm c) 3.142cm d) 1.57cm