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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:474AB GHM

Order: 19

Horizontal side: 474 Vertical side: 474

Elements: 11√2, 30, 30√2, 60, 44√2, 60√2, 88, 98, 88√2, 98√2, 154, 166, 132√2, 188, 143√2, 210, 154√2, 166√2, 188√2.

Code: 2107 0 474 1660 210 474 1661 376 474 982 474 376 981 474 474 1886 286 188 446 0 264 887 44 308 886 44 220 1547 132 308 1546 132 154 602 346 248 601 346 308 302 376 278 301 376 308 1322 132 132 1885 286 0 112 143 143 1430 143 143

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)

210
166√2
166
98√2
98
188√2
44√2
88
88√2
154
154√2
60√2
60
30√2
30
132√2
188
11√2
143√2