We have been doing lots of geometry recently here in 314. Our latest endeavor has been to create shapes with line and rotational symmetry. Here is our latest Math Movie Minute showing some of our creations. If you want to make a symmetrical shape at home follow these simple steps.
1. Fold a piece of paper in half.
2. Pinch the folded edge and cut into the fold and around in whatever patter you choose.
3. Unfold and admire your symmetrical shape.
*To make a figure with 180 degree rotational symmetry, fold the paper in have and then in half again. Pinch the middle corner of your folds and then cut your pattern. Have fun!
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