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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142BN GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 3√2, 8, 8√2, 12√2, 18, 15√2, 24, 18√2, 26, 29, 21√2, 30, 29√2, 42, 50, 50√2, 71, 92, 71√2.

Code: 925 0 50 714 71 71 713 142 71 214 92 50 290 113 71 291 142 71 507 0 50 500 50 50 261 76 50 85 76 42 84 84 42 185 76 24 184 94 24 156 97 27 307 112 42 423 142 0 30 97 27 241 100 24 122 112 12

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
29√2
29
50
50√2
26
8
8√2
18
18√2
15√2
30
42
3√2
24
12√2