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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:290AB GHM

Order: 19

Horizontal side: 290 Vertical side: 290

Elements: 2, 2√2, 12, 12√2, 24, 19√2, 21√2, 24√2, 42, 46, 36√2, 42√2, 84, 103, 124, 145, 166, 124√2, 145√2.

Code: 1665 0 124 1454 145 145 1453 290 145 214 166 124 190 187 145 1031 290 145 20 168 126 21 170 126 242 194 102 241 194 126 122 206 114 121 206 126 845 206 42 1247 0 124 1240 124 124 461 170 124 366 170 78 424 248 0 423 290 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)

166
145√2
145
21√2
19√2
103
2√2
2
24√2
24
12√2
12
84
124
124√2
46
36√2
42√2
42