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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:130AH3of4 GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 12, 12√2, 20, 15√2, 24, 18√2, 20√2, 30, 24√2, 26√2, 40, 42, 30√2, 48, 40√2, 60, 44√2, 45√2, 70.

Code: 705 0 60 444 44 86 180 88 130 421 130 130 266 44 86 127 70 112 126 70 100 247 82 112 240 106 112 202 90 80 481 130 88 203 90 60 402 130 40 605 0 0 454 45 15 306 60 30 403 130 0 156 45 15 305 60 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)

70
44√2
18√2
42
26√2
12
12√2
24
24√2
20√2
48
20
40√2
60
45√2
30√2
40
15√2
30