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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:178AA1of2 GHM

Order: 18

Horizontal side: 178 Vertical side: 178

Elements: 2, 2√2, 4, 4√2, 8, 8√2, 14, 15√2, 30, 29√2, 30√2, 59, 60, 74, 89, 104, 74√2, 89√2.

Code: 1045 0 74 894 89 89 893 178 89 154 104 74 290 119 89 591 178 89 747 0 74 740 74 74 84 82 66 83 90 66 147 90 74 44 86 62 43 90 62 24 88 60 23 90 60 601 148 60 302 178 30 303 178 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

104
89√2
89
15√2
29√2
59
74
74√2
8√2
8
14
4√2
4
2√2
2
60
30√2
30