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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AD GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 4√2, 5√2, 8, 10, 11, 8√2, 10√2, 12√2, 19, 20, 24, 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 52 94 64 491 138 69 126 82 52 245 94 40 597 0 59 590 59 59 191 78 59 117 78 59 40 82 52 87 78 48 80 86 48 401 118 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
5√2
49
12√2
24
59
59√2
19
11
4√2
8
8√2
40
20√2
20