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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:180AI2of4 GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 6√2, 12, 12√2, 24, 24√2, 45, 47, 48, 42√2, 43√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 90 434 137 47 456 135 45 885 0 0 464 46 42 66 46 42 127 52 48 126 52 36 247 64 48 246 64 24 487 88 48 10 136 48 473 135 0 27 135 47 455 135 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)

92
90√2
90
2√2
42√2
43√2
45√2
88
46√2
6√2
12
12√2
24
24√2
48
1√2
47
2
45