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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 on a triangular pyramid.
There are no curved edges, but it does stack.