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Q:

# How many vertices does a cone have?

A:

A cone does not have a vertex. A vertex is defined as a point where two lines meet; a triangle has three vertices, and the angular face of a pyramid has a vertex. However, a cone is a three-dimensional figure and has a curved surface.

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The base of a cone is circular. The top of the cone is a single point called the apex of the cone. A right circular cone is formed when the apex lies exactly beneath the center of the circular base. In such a case, the angle formed at the center of the base is a right angle. The area of the cone is the sum of the areas of the base and the curved surface.

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## Related Questions

• A:

A triangle has three vertices. A triangle consists of three lines, and the location where one line endpoint meets another line endpoint is called a vertex. A square consists of four vertices, while an octagon contains eight vertices.

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• A:

A cylinder has zero vertices. A cylinder does not have a vertex because there is no point where two lines meet. This is because a cylinder, unlike a prism, has circular faces; there is no corner where two straight lines meet.

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• A:

A rhombus has four vertices. The point of intersection of two adjacent sides of a rhombus is called the vertex of the rhombus. A rhombus is a quadrilateral with all four sides equal.