Lesson: Symmetry in 3D Shapes

In this lesson, we will learn how to verify symmetries in 3D shapes and state the number of axes they have.

Sample Question Videos

Q1:

How many lines of symmetry does this figure have?

Q2:

Consider the following solid.

Does the solid have plane symmetry?

Does the solid have an axis of symmetry?

Q3:

How many planes of symmetry does this solid have?

Q4:

This solid is formed of eight cubes.

How many planes of symmetry does it have, if any?

Does it have an axis of symmetry?

Q5:

The following solid has an axis of symmetry about the shown axis. What is the order of rotational symmetry about the shown axis?

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