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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180AK GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 12, 12√2, 24, 24√2, 40, 42, 44, 48, 52, 42√2, 45√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 90 447 136 90 456 135 45 885 0 0 521 52 88 407 52 88 127 52 48 126 52 36 247 64 48 246 64 24 487 88 48 23 136 46 460 134 46 14 135 45

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
44
45√2
88
52
40
12
12√2
24
24√2
48
2
46√2
1√2