Volume of Water in a Cylindrical Tank

A cylindrical tank has a radius of 5 meters and a height of 10 meters. Water is poured into the cylinder until it is filled to a height of 4 meters. Calculate the volume of water in the tank.

Use the formula for the volume of a cylinder, given by:

$$ V = ext{Base Area} imes ext{Height} $$

Where the base area is calculated as:

$$ ext{Base Area} = ext{Radius}^2 imes ext{π} $$