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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120AI GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 2, 2√2, 3, 4, 3√2, 4√2, 7, 8, 20, 25, 20√2, 35, 40, 35√2, 50, 40√2, 60, 50√2, 60√2.

Code: 605 0 60 604 60 60 356 85 85 253 85 60 355 85 50 405 0 20 404 40 20 20 80 60 21 82 60 32 85 57 31 85 60 83 78 50 42 82 54 41 82 58 73 85 50 500 70 50 501 120 50 205 0 0 204 20 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)

60
60√2
35√2
25
35
40
40√2
2√2
2
3√2
3
8
4√2
4
7
50√2
50
20
20√2