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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142BQ GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 5√2, 7√2, 10, 14, 10√2, 14√2, 20, 29, 21√2, 30, 22√2, 42, 35√2, 50, 50√2, 71, 92, 71√2.

Code: 925 0 50 714 71 71 713 142 71 214 92 50 70 113 71 291 142 71 140 106 64 141 120 64 222 142 42 507 0 50 500 50 50 354 85 15 303 120 20 423 142 0 56 85 15 107 90 20 106 90 10 207 100 20

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)

92
71√2
71
21√2
7√2
29
14√2
14
22√2
50
50√2
35√2
30
42
5√2
10
10√2
20