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The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.

Let ABC be a triangle. On AB, BC, and AC draw equilateral triangles on the outside of ABC with their outside vertices named C', A', and B', respectively. Then AA', BB', and CC' and the circumcircles of the three equilateral triangles intersect at one po...

Contributed by: Jay Warendorff

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