13.4 Rotational Symmetries

Duane Runyan, May 7, 2018

This workbook is an extension for assignment 13.4 Rotational Symmetries. It is recommended that students use this tool to visualize the various rotational symmetries, and then record their observations on their assignment.


  • 1. Triangle - Rotational Symmetry
  • 2. Square - Rotational Symmetry
  • 3. Pentagon - Rotational Symmetry
  • 4. Hexagon - Rotational Symmetry
  • 5. Heptagon - Rotational Symmetry
  • 6. Octagon - Rotational Symmetry

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Triangle - Rotational Symmetry

ROTATIONAL SYMMETRY
Rotate the polygon by moving the [b]RED X[/b] around the circle. Note each time the rotating polygon rotates "onto" the original shaded polygon.
Number of Rotational Symmetries
How many times does a [b]REGULAR TRIANGLE[/b] rotate onto itself until it is back to the beginning? Include the rotation 360°.
List Rotational Symmetries
Choose the list that includes all Rotational Symmetries for a [b]REGULAR TRIANGLE[/b]
– Duane Runyan

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