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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:134AC GHM

Order: 18

Horizontal side: 134 Vertical side: 134

Elements: 2√2, 4, 7√2, 10, 9√2, 10√2, 11√2, 20, 15√2, 22, 20√2, 40, 47, 57, 67, 77, 57√2, 67√2.

Code: 775 0 57 674 67 67 673 134 67 104 77 57 103 87 57 72 94 60 471 134 67 96 85 51 405 94 20 577 0 57 570 57 57 154 72 42 43 87 53 110 83 53 24 85 51 221 94 42 204 114 0 203 134 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)

77
67√2
67
10√2
10
7√2
47
9√2
40
57
57√2
15√2
4
11√2
2√2
22
20√2
20