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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:268AL1of2 GHM

Order: 19

Horizontal side: 268 Vertical side: 268

Elements: 1√2, 2, 3√2, 6, 6√2, 12, 12√2, 24, 21√2, 22√2, 44, 45√2, 90, 67√2, 89√2, 90√2, 134, 178, 134√2.

Code: 1785 0 90 1344 134 134 1343 268 134 441 178 134 212 199 113 454 223 89 676 201 67 126 187 101 245 199 89 66 181 95 125 187 89 36 178 92 65 181 89 25 178 90 905 0 0 904 90 0 10 180 90 890 179 89 224 201 67

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)

178
134√2
134
44
21√2
45√2
67√2
12√2
24
6√2
12
3√2
6
2
90
90√2
1√2
89√2
22√2