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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AG GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 3, 4√2, 8, 10, 8√2, 13, 10√2, 16, 20, 15√2, 16√2, 20√2, 40, 49, 59, 69, 79, 59√2, 69√2.

Code: 795 0 59 694 69 69 693 138 69 104 79 59 103 89 59 135 89 56 491 138 69 597 0 59 590 59 59 154 74 44 33 89 56 86 78 48 167 86 56 160 102 56 46 74 44 85 78 40 401 118 40 202 138 20 203 138 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)

79
69√2
69
10√2
10
13
49
59
59√2
15√2
3
8√2
16
16√2
4√2
8
40
20√2
20