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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:258AF4of4 GHM

Order: 19

Horizontal side: 258 Vertical side: 258

Elements: 4√2, 8, 8√2, 12, 12√2, 24, 28, 37, 28√2, 37√2, 46√2, 74, 55√2, 83, 92, 83√2, 129, 175, 129√2.

Code: 1755 0 83 1294 129 129 1293 258 129 464 175 83 743 221 55 372 258 92 371 258 129 923 258 0 837 0 83 830 83 83 284 111 55 283 139 55 127 139 83 126 139 71 247 151 83 82 147 63 83 147 55 42 151 59 554 166 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)

175
129√2
129
46√2
74
37√2
37
92
83
83√2
28√2
28
12
12√2
24
8√2
8
4√2
55√2