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Nets of a Triangular Pyramid

Net of triangular pyramid (tetrahedron) can be drawn in many ways.

(a) (b) (c)
Net of a Square Pyramid

Quick Check

There are two correct nets among them to make a tetrahedron.
See if you can work out which nets will make a tetrahedron.

Practice Time 12A

1. Complete the table:
Number of Faces Number of Vertices Number of Edges

Cube
Cuboid
Cylinder

Cone
Sphere

Triangular Prism
Square Pyramid

Triangular Pyramid
2. Match the following solids with their nets.
Column I Column II

(a) Triangular prism (i)

(b) Cube (ii)

(c) Cone (iii)

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