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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120AE2of2 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 4, 4√2, 6, 8, 6√2, 10, 8√2, 14, 16, 15√2, 20√2, 30, 40, 30√2, 50, 60, 45√2, 50√2, 60√2.

Code: 605 0 60 604 60 60 506 70 70 103 70 60 505 70 20 302 30 30 301 30 60 152 45 45 401 70 60 450 45 45 204 90 0 40 110 20 41 114 20 62 120 14 61 120 20 163 106 0 82 114 8 81 114 16 143 120 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
50√2
10
50
30√2
30
15√2
40
45√2
20√2
4√2
4
6√2
6
16
8√2
8
14