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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:180BF1of2 GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 3√2, 6, 6√2, 12, 11√2, 12√2, 22, 24, 21√2, 22√2, 44, 46, 35√2, 44√2, 68, 90, 68√2, 112, 90√2.

Code: 1125 0 68 904 90 90 903 180 90 224 112 68 223 134 68 112 145 79 461 180 90 350 145 79 687 0 68 680 68 68 214 89 47 126 98 56 247 110 68 66 92 50 125 98 44 36 89 47 65 92 44 444 136 0 443 180 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)

112
90√2
90
22√2
22
11√2
46
35√2
68
68√2
21√2
12√2
24
6√2
12
3√2
6
44√2
44