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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:176AB GHM

Order: 18

Horizontal side: 176 Vertical side: 176

Elements: 2, 2√2, 6√2, 12, 12√2, 24, 24√2, 42, 44, 46, 41√2, 43√2, 44√2, 46√2, 86, 88, 90, 88√2.

Code: 907 0 176 436 47 133 867 90 176 886 88 88 410 47 133 66 0 86 127 6 92 126 6 80 247 18 92 246 18 68 467 42 92 466 42 46 22 90 90 885 88 0 425 0 44 25 42 44 447 0 44 440 44 44

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)

90
43√2
86
88√2
41√2
6√2
12
12√2
24
24√2
46
46√2
2√2
88
42
2
44
44√2