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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:176AA GHM

Order: 18

Horizontal side: 176 Vertical side: 176

Elements: 2√2, 6√2, 12, 12√2, 18, 24, 22√2, 24√2, 44, 46, 41√2, 44√2, 45√2, 66, 86, 88, 90, 88√2.

Code: 905 0 86 884 88 88 883 176 88 24 90 86 60 92 88 181 110 88 667 110 88 446 132 44 865 0 0 454 45 41 416 45 41 127 86 82 120 98 82 247 86 70 246 86 46 465 86 0 226 110 22 445 132 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)

90
88√2
88
2√2
6√2
18
66
44√2
86
45√2
41√2
12
12√2
24
24√2
46
22√2
44