Questions
For the following 3 figures, find the volume and total surface area.

In the following figure, in addition to the dimensions labelled in the diagram, the “slanted” height of the “roof” is 28.8 cm.
 The following figure is made by removing a cylinder of diameter 9 cm and height 18 cm from a cuboid with a square base of sides 48 cm and height 18 cm.
Answers
 Volume = $22 185 \textrm{ cm}^3$
Surface area = $5034.2 \textrm{ cm}^2$  Volume = $13230+425.25\pi = 14566.285 \textrm{ cm}^3$
Surface area = $3948+209.25\pi = 4605.045 \textrm{ cm}^2$  Volume = $41472364.5\pi = 40327.47 \textrm{ cm}^3$
Surface area = $8064+121.5\pi = 8445.51 \textrm{ cm}^2$
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Answers
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