arise from slicing a cone at different angles to its axis. Less common are kinematic models. These devices depict mathematical concepts that involve motion. The models can be manipulated through the ...
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.
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