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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:166AD GHM

Order: 18

Horizontal side: 166 Vertical side: 166

Elements: 2√2, 10, 9√2, 20√2, 40, 30√2, 50, 36√2, 54, 40√2, 58, 60, 45√2, 70, 72, 76, 54√2, 58√2.

Code: 767 0 166 400 76 166 401 116 166 202 136 146 501 166 166 300 136 146 366 0 90 725 36 54 701 106 126 107 106 126 607 106 116 586 108 58 452 45 45 26 106 56 585 108 0 94 45 45 540 54 54 541 108 54

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)

76
40√2
40
20√2
50
30√2
36√2
72
70
10
60
58√2
45√2
2√2
58
9√2
54√2
54