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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:256AJ GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 7√2, 10, 14, 10√2, 14√2, 20, 20√2, 21√2, 38, 28√2, 40, 40√2, 80, 88, 108, 128, 148, 108√2, 128√2.

Code: 1485 0 108 1284 128 128 1283 256 128 204 148 108 203 168 108 102 178 118 881 256 128 103 178 108 385 178 80 1087 0 108 1080 108 108 284 136 80 76 157 101 147 164 108 146 164 94 210 157 101 801 216 80 402 256 40 403 256 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)

148
128√2
128
20√2
20
10√2
88
10
38
108
108√2
28√2
7√2
14
14√2
21√2
80
40√2
40