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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:268AC GHM

Order: 19

Horizontal side: 268 Vertical side: 268

Elements: 1√2, 2, 2√2, 4, 6, 7√2, 10√2, 20, 20√2, 40, 40√2, 74, 80, 94, 114, 134, 154, 114√2, 134√2.

Code: 1545 0 114 1344 134 134 1343 268 134 204 154 114 203 174 114 102 184 124 941 268 134 26 182 122 45 184 120 16 181 121 25 182 120 70 181 121 61 188 120 805 188 40 1147 0 114 1140 114 114 741 188 114 404 228 0 403 268 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)

154
134√2
134
20√2
20
10√2
94
2√2
4
1√2
2
7√2
6
80
114
114√2
74
40√2
40