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Q:

# How many faces, edges and vertices does a sphere have?

A:

A sphere has no faces, edges or vertices. By definition, it is a curved three-dimensional geometric figure whose surface is defined as the set of all the points equidistant from its center point.

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A vertex is a point where two or more straight lines meet. Since a sphere has no straight lines, it also has no vertices. An edge is a line segment that joins two vertices. Since a sphere has no vertices, it also has no edges. A face is defined as a flat surface of a three-dimensional figure. The continuously curving surface of a sphere has no flat places, and so a sphere has no faces.

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## Related Questions

• A:

A triangular prism has five faces, six vertices and nine edges. The face is the flat side of a solid figure, and it is typically in the form of a plane figure such as a rectangle, square or triangle, with the triangular prism having two triangular bases and three rectangular sides. Another type of prism is the rectangular prism, which has six rectangular faces, 12 vertices and eight edges.

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• A:

A cone has one face. It is a three-dimensional shape with a circular base, one side and one vertex. Faces can be identified as the flat surfaces on a three-dimensional figure.

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• A:

A cone has one face, one edge and no corners. A cone is defined as a hollow or solid object with a circular base that tapers upward to a point.