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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:304AD2of2 GHM

Order: 19

Horizontal side: 304 Vertical side: 304

Elements: 12, 10√2, 20, 24, 20√2, 24√2, 34, 40, 29√2, 30√2, 70, 82, 70√2, 82√2, 140, 152, 111√2, 164, 152√2.

Code: 1645 0 140 1524 152 152 1523 304 152 121 164 152 405 164 112 704 234 82 703 304 82 1407 0 140 296 111 111 247 140 140 246 140 116 345 140 82 205 164 92 204 184 92 300 204 112 1110 111 111 104 174 82 824 222 0 823 304 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)

164
152√2
152
12
40
70√2
70
140
29√2
24
24√2
34
20
20√2
30√2
111√2
10√2
82√2
82