The diagram shows a prism.
The cross section of the prism is a trapezium.
The lengths of the parallel sides of the trapezium are 9 cm and 5 cm.
The distance between the parallel sides of the trapezium is 6 cm.
The length of the prism is 15 cm.
(a) Work out the area of the trapezium.
(b) Work out the volume of the prism