how many vertices does a cylinder have
A standard (smooth) cylinder has 0 vertices.
Quick Scoop
- A cylinder has:
- 0 vertices (no corners).
* 2 edges (the circular rims at the top and bottom).
* 3 faces (2 flat circular ends + 1 curved surface).
Why it has 0 vertices
- A vertex is a sharp corner where edges meet (like on a cube).
- On a cylinder, the top and bottom are circles, and the side is curved, so there are no sharp corner points where edges intersect.
- Even where the curved surface meets the circles, the join is smooth, not pointy, so these are edges but not vertices.
A quick mental picture
Imagine a soda can:
- The two circular ends are the flat faces.
- The label wrapped around is the curved face.
- The rims around the top and bottom are the edges.
- There is no place your finger can touch that feels like a âcornerâ â so 0 vertices.
Some advanced discussions note that if you approximate a cylinder with a many-sided prism, it would have vertices, but for normal school geometry, the accepted answer is that a cylinder has 0 vertices.
TL;DR: A cylinder has 0 vertices, 2 edges, and 3 faces.
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