Understanding symmetry

Symmetrical?

• Is symmetrical

• not symmetrical

True or False: When a point is reflected across a line of symmetry, it is perpendicular to the pre-image.

• True

• False

It is possible for a shape to have INFINITE lines of symmetry

• True

• False

Does this shape have reflective symmetry? If so, how many lines of symmetry?

(If no lines, enter 0)

Mathematical Equivalence

ON

Is this shape symmetrical?

• Yes it is symmetrical

• No it is not symmetrical

Identify the type of symmetry based on the graph:

i. symmetric with respect to the x-axis

ii. symmetric with respect to the y-axis

iii. symmetric with respect to the origin

• i only

• ii only

• iii only

• i, ii, and iii

Does this picture have symmetry?

• Yes

• No

Symmetrical?

• Is symmetrical

• not symmetrical

Which letter has line symmetry? N S Z H

• N

• S

• Z

• H

Which figure completes the drawing so that the figure is symmetric?

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