Faces Edges and Vertices – Properties of 3D Shapes – Maths

3D Shapes – Faces, Edges and Vertices

  • Cuboid
  • Cube
  • Cone
  • Sphere
  • Square Pyramid
  • Triangular Prism
  • Triangular Pyramid




3D Shape – Faces, Edges and Vertices

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.

Faces, Edges and Vertices – Cuboid

cuboid faces edges vertices - 3D Shapes

A cuboid has six rectangular faces.

A cuboid has 8 vertices.

A cuboid has 12 edges.

Cube

Cube Faces Edges Vertices

A cube has six square faces.

A cube has eight vertices.

A cube has 12 edges.




Cone

Cone faces edges vertices - 3D Shapes

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.

Faces, Edges and Vertices – 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

Faces Edges Vertices

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

Triangular Prism - 3D Shapes

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

A triangular prism has 6 vertices.

A triangular prism has 9 edges.

Faces, Edges and Vertices – Triangular Pyramid

Faces Edges Vertices

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

A triangular pyramid has 4 vertices.

A triangular pyramid has  6 edges.

Click here for Class 7 Chapterwise Explanation

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