Equilateral Pentagon That Tiles The Plane
With Two Consecutive Complementary to 180° Angles
A+E = 180° & A = 80°

Consecutive angles sum = 180°
Area = 1.417820+

This pentagon allows a tiling with an order 6 rotational symmetry. It was known to the ancients. The tiling below can continue to infinity.

cc180c tiling


This pentagon allows other periodic tilings:

cc180c tiling


cc180c tiling

Separator

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