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A water bottle typically has two edges (the top and bottom rims) and zero corners (rounded edges). A cone has one edge (the curved surface) and one corner (the pointed tip).
Faces-2 (1 flat face and 1 curved face), 1 curved edge, and 1 vertex.
One.But it is a bit tricky and depends on how you define an edge.Many use the definition of a boundary of a geometric figurePlease see the link to the math forum at Drexel University.There is a lengthy discussion of this topic.A cone has one flat face, one curved face, one vertex and one curved edge.One.
There are no curved edges, but it does stack.
There are no curved edges on a triangular pyramid.