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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:72AA GHM

Order: 19

Horizontal side: 72 Vertical side: 72

Elements: 3√2, 6, 6√2, 8√2, 12, 9√2, 14, 12√2, 18, 14√2, 20, 24, 18√2, 28, 20√2, 24√2, 36, 26√2, 40.

Code: 367 0 72 240 36 72 241 60 72 122 72 60 121 72 72 403 72 20 36 9 45 67 12 48 66 12 42 147 18 48 146 18 34 287 32 48 90 9 45 182 18 18 181 18 36 82 26 26 260 26 26 204 52 0 203 72 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)

36
24√2
24
12√2
12
40
3√2
6
6√2
14
14√2
28
9√2
18√2
18
8√2
26√2
20√2
20