Faces, Vertices and Edges

Face is a flat surface that forms part of the boundary of a solid object.
A vertex is a corner.
An edge is a line segment joining two vertex.

Cuboid

A cube has six square faces.

A cube has eight vertices.

A cube has 12 edges.

Cone

A cone has one plane surface (i.e base) and one curved lateral surface.

A cone has 1 vertex.

A cone has 1 circular edge.

Cylinder

A cylinder has a curved lateral surface and two circular faces at its ends.

A cylinder has no corner or vertex.

A cylinder has 2 circular edges.

Sphere

A sphere has a curved surface.

A sphere has no vertex.

A sphere has no edges.

Square Pyramid

A square pyramid has 4 lateral triangular faces and 1 square base.

A square pyramid has 5 vertices.

A square pyramid 8 edges.

Triangular Prism

A triangular prism has 3 rectangular lateral faces and 2 triangular bases.

A triangular prism has 6 vertices.

A triangular prism has 9 edges.

Triangular Pyramid

A triangular pyramid has 3 triangular lateral faces, 1 triangular base.

A triangular pyramid has 4 vertices.

A triangular pyramid has 6 edges.

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