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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108CX GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 3√2, 4√2, 6, 8, 6√2, 8√2, 9√2, 12√2, 18, 16√2, 20√2, 30, 36, 40, 30√2, 48, 40√2, 48√2, 72.

Code: 727 0 108 200 72 108 361 108 108 400 52 88 401 92 88 162 108 72 126 96 60 40 96 60 87 92 56 80 100 56 96 3 39 185 12 30 484 60 0 483 108 0 30 3 39 67 0 36 60 6 36 307 0 30 300 30 30

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)

72
20√2
36
40√2
40
16√2
12√2
4√2
8
8√2
9√2
18
48√2
48
3√2
6
6√2
30
30√2