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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:494AA GHM

Order: 19

Horizontal side: 494 Vertical side: 494

Elements: 11√2, 16√2, 44√2, 80, 88, 80√2, 122, 88√2, 154, 160, 164, 122√2, 176, 186, 143√2, 208, 154√2, 164√2, 186√2.

Code: 2087 0 494 1640 208 494 1641 372 494 1222 494 372 1221 494 494 1866 308 186 446 0 286 887 44 330 886 44 242 1765 132 154 1601 292 330 802 372 250 801 372 330 1432 143 143 166 292 170 1865 308 0 114 143 143 1540 154 154 1541 308 154

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)

208
164√2
164
122√2
122
186√2
44√2
88
88√2
176
160
80√2
80
143√2
16√2
186
11√2
154√2
154