cone +++ A sphere or other full solid of revolution generated about either axis where the curve meets that axis in 2 places, and those intercepts are the solid's poles. (A cone has 2 faces)
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A pyramid is a solid figure with one vertix.
An irregular blob, an ellipsoid, a sphere, a toroid (doughnut) are some examples.
3d shape* * * * *It does not.A face is a plane (2-dimensional) part of the surface of a solid (3-dimnsional) object. Sometimes the term is includes curved surfaces, such as along the length of a cylinder.
sevan * * * * * No. A heptagon is a plane figure and so has only one face. It has 7 sides.
triangular prism