Meaning of Net in Math


In math, a net is a two-dimensional pattern that can be cut and folded to form a three-dimensional space figure.

In the figure below, you can see the net of a cube and its corresponding three-dimensional figure.

Net of a cube

Notice that the number of surfaces on a solid figure has to match the number of regions in its net. 

In the figure below, you can see the net of a triangular pyramid and its corresponding three-dimensional figure.

Net of a triangular pyramid

Notice that all four triangles in the net are equilateral triangles

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