Bourgoin, Plate 178

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 7 regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are three non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has one finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 314 polygons.

1. vol 2, page 257, Figure 254 (Imam Yahya, Mosul, Iraq) from [sarre] (1239AD, 636AH)
2. Page 340, Fig. 246b (Uljaytu mausoleum, Sultaniya, Iran) from [bonner] (1307-13AD, 706-12AH)
3. Page 199, top (Muradiye Mosque, Bursa, Turkey) from [degeorge2] (1424-6AD, 827-9AH)
4. Page 337 from [abas]
5. Plate 178 from [bourgoin]

• Wade photo BOU 178

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