Madrasa and khanqa of al-Zahr Barquq
data174/FIG6
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Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 2.5°.
- Contains one regular 8-pointed star polygon with vertex angle of 65° - composed of kites.
- Contains one regular 12-pointed star polygon with vertex angle of 60° - composed of kites.
- There are two non-regular reflective tiles (including 2 kites) and four reflective pairs.
- The tiling does not satisfy the two-colour condition.
- The tiling is edge-to-edge.
- As drawn, contains about 576 polygons.
References
Publications referenced:
- Vol 2, Figure 130 (Barquq, Cairo, Egypt) of Hasan `Abd-al-Wahhab. Tarikh al-masajid al-athariyah, Cairo, 2 vols in Arabic, 1946. [wahhab] {The History of ancient Egyptian mosques}
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