3) 8 cm
6 cm
20 cm
12 cm
diagram shows a solid prism made from metal.
The cross-section of the prism is a trapezium.
The parallel sides of the trapezium are 8 cm and 12 cm.
The height of the trapezium is 6 cm.
The length of the prism is 20 cm.
The density of the metal is 4 g/cm
Calculate the mass of the prism.
Give your answer in kilograms.

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