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2\) Total surface area \(= 28.3 + 28.3 + 188 = 244.6~\text{cm}^2\) (1d.p.). If a cone is filled with water it is possible to pour 3 full cones into a cylinder of the same diameter and height.
The volume of the cone is one third of the volume of the cylinder. Calculate the volume and total surface area of the cone (to 1 decimal place). \(\begin{array}{rcl} \text{Volume} ...
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