Lesson 3: Surface Area - Nets

Visually, a net shows all of the surfaces of a 3D object. A net can be folded along its lines (seams) to form a 3D object. Some 3D objects have several possible nets.

Net
a two-dimensional representation of a 3D object


EXAMPLE 1


Which of the following nets would not form a cube?









Solution




Folding along the dotted edges will form a cube.

Folding along the dotted edges will not form a cube. One square will overlap another.


Folding along the dotted edges will form a cube.

Folding along the dotted edges will form a cube.

EXAMPLE 2


Match each net with the correct 3D object.


Solution






Now, it is your turn! Complete the questions in your Chapter 7, Lesson 3 Practice Makes Perfect that refer to Nets.



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