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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108AG GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 6, 8, 12, 16, 18, 20, 15√2, 24, 20√2, 30, 24√2, 40, 30√2, 48, 39√2, 60, 54√2.

Code: 605 0 48 544 54 54 396 69 69 150 69 69 61 60 54 247 60 54 240 84 54 485 0 0 401 40 48 202 60 28 201 60 48 187 60 30 300 78 30 301 108 30 163 60 12 40 44 12 41 48 12 127 48 12 81 48 8

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)

60
54√2
39√2
15√2
6
24
24√2
48
40
20√2
20
18
30√2
30
16
4√2
4
12
8