7 The diagram shows a water tank. The tank is a hollow cylinder joined to a hollow hemisphere at the top.
The tank has a circular base.
-46 cm
90 cm
Diagram not
accurately drawn
Both the cylinder and the hemisphere have a diameter of 46 cm. The height of the tank is 90 cm.
Work out the volume of water which the tank holds when it is full. Give your answer, in cm³,
correct to 3 significant figures.
S
[Edexcel]