Symmetry Review

Symmetry Review

Poll

What is symmetry?

• When an object looks exactly the same on one side as it does on the other

• a mirror image of half of an object

• not identical halves

Multiple Select

Does this figure have a line of symmetry?

• yes

• no

Multiple Choice

Does this figure have a line of symmetry?

• yes

• no

Multiple Choice

Does this figure have a line of symmetry/

• yes

• no

Multiple Choice

Does this figure have a line of symmetry?

• yes

• no

Multiple Choice

Does this figure have a line of symmetry?

• yes

• no

Regular Polygons

In a regular polygon, all sides are the same length; therefore, the number of sides determines the number of lines of symmetry.

Multiple Choice

How many lines of symmetry does a 9-sided regular polygon have?

• 3

• 6

• 9

• 0

Open Ended

How many line of symmetry does the triangle have? EXPLAIN.