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Cone, Cylinder Edges?

Does a cone have an edge? Does a cylinder have an edge? a selection of answers from the Dr. Math archives.

Parts of a Cone

Does a solid cone have any edges?

Does a Cone have an Edge? A Vertex?

Our 4th grade math textbook defines a cone as "A solid figure with one circular face and one vertex." This sounds reasonable until you read the textbook's definitions for face, edge, and vertex.

Number of Cylinder Edges

My son was asked "how many edges are there on a solid cylinder?" on a recent math examination. His answer was "2" and it was marked incorrect.

Types of Cones

Does a cone have an edge? Does it depend on what type of cone you have? What are the different types of cones?