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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180AT GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 9√2, 13, 18, 13√2, 19, 26, 34, 35, 36, 26√2, 47, 34√2, 36√2, 55, 72, 55√2, 99, 72√2, 90√2.

Code: 995 0 81 904 90 90 726 108 108 183 108 90 725 108 36 94 99 81 353 108 55 477 0 81 136 34 68 265 47 55 264 73 55 346 0 34 135 34 55 557 34 55 550 89 55 191 108 55 364 144 0 363 180 0 345 0 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)

99
90√2
72√2
18
72
9√2
35
47
13√2
26
26√2
34√2
13
55
55√2
19
36√2
36
34