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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:230AC GHM

Order: 18

Horizontal side: 230 Vertical side: 230

Elements: 26, 19√2, 20√2, 26√2, 40, 50, 52, 62, 50√2, 78, 80, 62√2, 88, 98, 100, 71√2, 80√2, 90√2.

Code: 902 90 140 714 71 159 523 142 178 262 168 204 881 230 230 263 168 178 622 230 142 196 71 159 787 90 178 983 168 80 623 230 80 403 90 100 506 0 50 1005 50 0 204 70 80 804 150 0 803 230 0 505 0 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√2
71√2
52
26√2
88
26
62√2
19√2
78
98
62
40
50√2
100
20√2
80√2
80
50