parallelogram
pentagon

Rotational Symmetry

THINGS TO DO

You should have two acute and two obtuse Isotiles.

We have seen that a parallelogram has no reflective symmetry. But what is its order of rotational symmetry? Make one with Isotiles, and rotate it carefully to find out.

What about the pentagon? What is its order of rotational symmetry?


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Copyright © John Everett (Leicestershire, UK) 2002,2003