12/12/12 — Happy Equilateral Triangle Day!
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Categories: AppreciationGeometry
New York Times Learning Network: Symmetry and Soccer Balls
My latest contribution to the New York Times Learning Network’s 15-Minute Lesson Plan series was inspired by Siobhan Roberts’s wonderful article on the geometry of the soccer ball. The Learning Network article is freely available Read more
3 Comments
Jacob · December 12, 2012 at 6:17 pm
Five hundred and thirty triangles in all, am I correct?
Thomas · December 13, 2012 at 10:19 am
What method did you do to get 530 triangles in total? I got 485 triangles instead as the total.
Jacob · December 13, 2012 at 6:12 pm
I must have miscounted somewhere. You’re right, I recounted.