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21 The cross-section of a container is a semi-circle with diameter 12cm.
The length of the container is 20cm.
The container is filled with water to a depth of 4cm
Calculate the number of litres of water in the container.
Give your answer correct to 2 significant figures.

21 The crosssection of a container is a semicircle with diameter 12cm The length of the container is 20cm The container is filled with water to a depth of 4cm C class=


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