In this lesson, we will learn

- What is meant by the net of a solid?
- Nets of the following solids: cube, rectangular prism or cuboid, triangular prisms, pyramids, cylinders and cones.

Related Topics:

More Geometry Lessons

A **geometry**** net**
is a 2-dimensional shape that can be folded to form a
3-dimensional shape or a solid. Or a net is a pattern made when
the surface of a three-dimensional figure is laid out flat showing
each face of the figure. A solid may have different nets.

Below are the steps to determine whether a net forms a solid:

1. Make sure that the solid and the net have the same number of faces and that the shapes of the faces of the solid match the shapes of the corresponding faces in the net.

2. Visualize how the net is to be folded to form the solid and make sure that all the sides fit together properly.

Nets are helpful when we need to find the surface area of the solids.

A cube is a three-dimensional figure with six equal square faces.

There are altogether 11 possible nets for a cube as shown in the following figures.

A rectangular prism or cuboid is formed by folding a net as shown:

This video shows how to draw a net of a rectangular prism or cuboid.

This video shows how to create different nets of a cube.

Here are some examples of nets of solids: Prism, Pyramid, Cylinder and Cone

Demonstrations showing how some shapes are made up from their nets.

Cube and Tetrahedron Net

Unfolding Polyhedron Nets from the Wolfram
Demonstrations Project by Jon McLoone

Cylinder Net

Cylinder Net from the Wolfram
Demonstrations Project by Michael Schreiber

This video shows the net of a cuboid, triangular prism, cylinder, and square pyramid. Learn about faces, edges and vertices.

This video shows how to identify the 3-dimensional shapes made by the nets. cube, rectangular prism or cuboid, triangular prism, and pyramid

In this video, we analyze the net of a cylinder to determine volume and surface area

This video shows how to use nets and 3-dimensional figures to find surface area of cubes and prisms.

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