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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180AJ GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 2√2, 12, 12√2, 24, 21√2, 23√2, 24√2, 40, 42, 44, 46, 48, 52, 42√2, 46√2, 88, 90, 92, 90√2.

Code: 925 0 88 904 90 90 903 180 90 24 92 88 420 94 90 421 136 90 212 157 69 441 180 90 885 0 0 521 52 88 407 52 88 230 157 69 127 52 48 126 52 36 247 64 48 246 64 24 487 88 48 460 134 46 461 180 46

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
90√2
90
2√2
42√2
42
21√2
44
88
52
40
23√2
12
12√2
24
24√2
48
46√2
46