Is the dotted line a line of symmetry?

• yes
• no

Imagine folding this picture along the dotted line.

The two sides will not match up. The dotted line is not a line of symmetry.

Now try folding along this dotted line instead. This dotted line is a line of symmetry.

Is the dotted line a line of symmetry?

• yes
• no

Imagine folding this picture along the dotted line.

The two sides will match up exactly. The dotted line is a line of symmetry.

Is the dotted line a line of symmetry?

• yes
• no

Imagine folding this picture along the dotted line.

The two sides will match up exactly. The dotted line is a line of symmetry.