What is the buccal cavity?
The buccal cavity is the oral cavity located at the upper end or at the beginning of the alimentary canal that opens to outside through the lips and followed by the throat at the lower part. In higher vertebrates, it possesses the structure related to mastication and tasting.
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- From a solid cylinder whose height is 15 cm and diameter 16 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid. $[ Use \ \pi =3.14]$
- From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest $cm^2$.
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