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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:135AC2of4 GHM

Order: 19

Horizontal side: 135 Vertical side: 135

Elements: 3, 4, 3√2, 4√2, 6, 8, 6√2, 9, 12, 12√2, 37, 45, 49, 37√2, 53, 45√2, 49√2, 86, 90.

Code: 905 0 45 861 86 135 497 86 135 496 86 86 122 98 74 123 98 62 372 135 37 65 86 56 64 92 56 93 98 53 35 86 53 34 89 53 47 86 53 46 86 49 87 90 53 533 98 0 455 0 0 454 45 0 373 135 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)

90
86
49
49√2
12√2
12
37√2
6
6√2
9
3
3√2
4
4√2
8
53
45
45√2
37