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Triangle - Rotational Symmetry

Author:Duane Runyan

ROTATIONAL SYMMETRY

Rotate the polygon by moving the RED X around the circle. Note each time the rotating polygon rotates "onto" the original shaded polygon.

Number of Rotational Symmetries

How many times does a REGULAR TRIANGLE rotate onto itself until it is back to the beginning? Include the rotation 360°.

Select all that apply

A
2
B
3
C
4
D
5

Check my answer (3)

List Rotational Symmetries

Choose the list that includes all Rotational Symmetries for a REGULAR TRIANGLE

Select all that apply

A
60°, 120°, 180°, 360°
B
120°, 240°, 360°
C
90°, 180°, 270°, 360°
D
None of the above.

Check my answer (3)

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