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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:290AA GHM

Order: 19

Horizontal side: 290 Vertical side: 290

Elements: 7√2, 12, 14, 12√2, 14√2, 24, 18√2, 21√2, 36, 42, 36√2, 70, 84, 103, 124, 145, 166, 124√2, 145√2.

Code: 1665 0 124 1454 145 145 1453 290 145 214 166 124 70 187 145 1031 290 145 140 180 138 141 194 138 845 194 54 1247 0 124 1240 124 124 701 194 124 364 230 18 363 266 18 127 266 54 120 278 54 247 266 42 423 290 0 184 248 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
7√2
103
14√2
14
84
124
124√2
70
36√2
36
12
12√2
24
42
18√2