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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:292AE GHM

Order: 19

Horizontal side: 292 Vertical side: 292

Elements: 9√2, 18, 18√2, 20√2, 30, 27√2, 40, 30√2, 36√2, 40√2, 60, 66, 80, 86, 116, 146, 116√2, 176, 146√2.

Code: 1765 0 116 1464 146 146 1463 292 146 304 176 116 303 206 116 665 206 80 861 292 146 1167 0 116 1160 116 116 364 152 80 96 179 107 187 188 116 186 188 98 270 179 107 801 232 80 402 272 40 401 272 80 202 292 60 603 292 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)

176
146√2
146
30√2
30
66
86
116
116√2
36√2
9√2
18
18√2
27√2
80
40√2
40
20√2
60