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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120AQ2of2 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 8, 6√2, 7√2, 8√2, 12, 14, 12√2, 15√2, 22, 24, 18√2, 30, 30√2, 44, 52, 38√2, 60, 68, 60√2.

Code: 687 0 120 443 68 76 527 68 120 606 60 60 243 24 52 122 36 64 184 42 58 386 22 38 82 68 68 81 68 76 123 36 52 62 42 58 605 60 0 227 0 52 76 15 45 147 22 52 150 15 45 307 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)

68
44
52
60√2
24
12√2
18√2
38√2
8√2
8
12
6√2
60
22
7√2
14
15√2
30
30√2