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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:238AK GHM

Order: 19

Horizontal side: 238 Vertical side: 238

Elements: 4√2, 12, 20, 15√2, 20√2, 30, 40, 30√2, 32√2, 34√2, 38√2, 55, 64, 49√2, 87, 119, 87√2, 151, 119√2.

Code: 1515 0 87 1194 119 119 1193 238 119 324 151 87 206 163 99 405 183 79 551 238 119 123 163 87 205 163 79 877 0 87 870 87 87 384 125 49 46 159 83 340 159 83 304 193 49 303 223 49 152 238 64 643 238 0 494 174 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)

151
119√2
119
32√2
20√2
40
55
12
20
87
87√2
38√2
4√2
34√2
30√2
30
15√2
64
49√2