Cylinder Volumes: Cylinder A has radius 2cm, contains 40pi cm^3 water to height 10cm.

[sojeee]

Cylinder A has radius 2cm and contains 40pi cm³ of water to a height of 10cm.
Cylinder B has radius 5 cm and is empty.

Some of the water is poured from Cylinder A into Cylinder B.
The heigh, h, of the water in each cylinder is now the same.

Work out h.

 

[tkhunny]

Cylinder A has radius 2cm and contains 40pi cm³ of water to a height of 10cm.
Cylinder B has radius 5 cm and is empty.

Some of the water is poured from Cylinder A into Cylinder B.
The heigh, h, of the water in each cylinder is now the same.

Work out h.

Maybe start with the formula for the volume of a right, circular cylinder? Let's see what you get.