What Is a Solid Shape?

A solid shape is a three-dimensional figure that has width, depth and height. Examples of solid shapes include cubes, pyramids and spheres. Solid geometry is the study of solid shapes.

Solid shapes are classified by their regularity, how many faces, edges and vertices they have, and the shape of their faces. Faces are flat sides on a solid shape. Edges are the straight locations where two faces come together. A vertex is a pointy place where more than two faces meet, according to CK-12. Some solid shapes only have curves and irregularities instead of faces, edges and vertices. One example is the sphere. Some shapes have a combination of faces and curved parts, such as cylinders and cones.

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