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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:138AY4of4 GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 3, 4, 4√2, 8, 8√2, 12, 11√2, 16, 19, 14√2, 22, 22√2, 44, 50, 44√2, 47√2, 50√2, 88, 69√2.

Code: 885 0 50 694 69 69 476 91 91 223 91 69 112 102 80 140 102 80 191 88 69 37 88 69 127 88 66 86 92 58 167 100 66 220 116 66 46 88 54 85 92 50 45 88 50 505 0 0 504 50 0 440 94 44 441 138 44

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)

88
69√2
47√2
22
11√2
14√2
19
3
12
8√2
16
22√2
4√2
8
4
50
50√2
44√2
44