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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:284AS GHM

Order: 19

Horizontal side: 284 Vertical side: 284

Elements: 4, 5√2, 20√2, 30, 34, 25√2, 40, 30√2, 34√2, 50, 36√2, 70, 72, 72√2, 106, 142, 106√2, 178, 142√2.

Code: 1785 0 106 1424 142 142 1423 284 142 364 178 106 403 214 102 202 234 122 701 284 142 256 209 97 505 234 72 1067 0 106 1060 106 106 344 140 72 343 174 72 47 174 106 307 174 102 300 204 102 54 209 97 724 212 0 723 284 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)

178
142√2
142
36√2
40
20√2
70
25√2
50
106
106√2
34√2
34
4
30
30√2
5√2
72√2
72