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Question

How many surfaces does a coin have?


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Solution

State the number of surfaces of a coin

In mathematics, a coin is in the shape of a cylinder. It has 'two' flat circular faces in upper and lower sides and one curved surface (i.e., edge of the coin).

A coin is generally circular in shape as the height (thickness) of the coin is very less when compared to its diameter.

Thus, a coin has one curved and two flat circular surfaces.

Hence, a coin has 3 surfaces.


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