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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:120AP2of4 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 2√2, 4, 4√2, 7, 8, 7√2, 14, 10√2, 12√2, 14√2, 20, 21, 28, 46, 53, 60, 67, 53√2, 60√2.

Code: 675 0 53 604 60 60 603 120 60 74 67 53 73 74 53 205 74 40 461 120 60 537 0 53 530 53 53 211 74 53 85 74 32 104 84 30 120 94 40 44 78 28 43 82 28 22 84 30 281 106 28 142 120 14 143 120 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)

67
60√2
60
7√2
7
20
46
53
53√2
21
8
10√2
12√2
4√2
4
2√2
28
14√2
14