Question

A closed cylinder has how many faces ?​

Answer 1

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A cylinder has 3 faces - 2 circle ones and a rectangle

Answer 2

3 faces

A cylinder has 3 faces - 2 circle ones and a rectangle (if you take the top and bottom off a tin can then cut the cylinder part on the seam and flatten it out you would get a rectangle). It has 2 edges and no vertices (no corners).

Explanation: