Symmetry

Symmetry is an intuitive concept, but in geometry, it has a formal definition. Watch this lecture series and complete the interactive exercises.

Practice

Reflective symmetry of 2D shapes - Answers

1. The symmetries that apply to the kite are:

Symmetry Applies to the figure?
Reflective symmetry over the line y=x Yes/No
Reflection symmetry over the line y=-x-5 Yes/No

 

2. The symmetries that apply to the trapezoid are:

Symmetry Applies to the figure?
Reflective symmetry over \overline{B F} Yes/No
Reflective symmetry over \overline{D H} Yes/No

 

3. The symmetries that apply to the rhombus are:

Symmetry Applies to the figure?
Reflective symmetry over the line y=-2 x Yes/No
Reflective symmetry over the line y=\frac{1}{2} x Yes/No


4. The symmetries that apply to the hexagon are:

Symmetry Applies to the figure?
Reflective symmetry over \overline{A D} Yes/No
Reflective symmetry over \overline{C E} Yes/No