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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:238AR4of4 GHM

Order: 19

Horizontal side: 238 Vertical side: 238

Elements: 2√2, 4, 4√2, 8, 6√2, 7√2, 12, 14, 26, 20√2, 33√2, 40√2, 66, 92, 66√2, 86√2, 132, 106√2, 172.

Code: 1727 0 238 1323 172 106 662 238 172 661 238 238 866 152 86 406 0 66 927 40 106 1060 132 106 204 152 86 332 33 33 70 33 33 263 26 0 147 26 26 123 40 14 26 26 12 47 28 14 46 28 10 87 32 14 62 32 6

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)

172
132
66√2
66
86√2
40√2
92
106√2
20√2
33√2
7√2
26
14
12
2√2
4
4√2
8
6√2