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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142CB GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 3√2, 12, 9√2, 12√2, 18, 19, 15√2, 24, 18√2, 26, 19√2, 36, 26√2, 45, 52, 45√2, 71, 97, 71√2.

Code: 975 0 45 714 71 71 713 142 71 264 97 45 263 123 45 192 142 52 191 142 71 523 142 0 457 0 45 450 45 45 361 81 45 182 99 27 154 96 30 120 111 45 121 123 45 36 96 30 247 99 33 183 99 9 94 90 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)

97
71√2
71
26√2
26
19√2
19
52
45
45√2
36
18√2
15√2
12√2
12
3√2
24
18
9√2