Mosque of ibn Tulun
T01916, data188/EGY0511
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Geometry
- The symmetry group of the tiling is 632 (p6).
- All the internal angles of the constituent polygons are a multiple of 60°.
- Contains one equilateral triangle.
- Contains one regular two-pointed star polygon with vertex angle of 60°.
- Contains one regular hexagon.
- The tiling satisfies the two-colour condition.
- The tiling is edge-to-edge.
- As drawn, contains about 142 polygons.
Photographs
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