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 - Questions

1. The following diagram shows a kite.



Which of the following reflective symmetries apply to the kite?

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

 

2. Which of the following reflective symmetries apply to the trapezoid below?



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

3. The center of the following rhombus is at the origin.



Which of the following reflective symmetries apply to the rhombus?

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. Which of the following reflective symmetries apply to the hexagon below?



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