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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:246AQ GHM

Order: 19

Horizontal side: 246 Vertical side: 246

Elements: 12, 12√2, 28, 20√2, 22√2, 25√2, 28√2, 44, 32√2, 50, 39√2, 59, 44√2, 64, 91, 123, 91√2, 155, 123√2.

Code: 1555 0 91 1234 123 123 1233 246 123 324 155 91 200 187 123 591 246 123 120 167 103 121 179 103 282 207 75 281 207 103 392 246 64 917 0 91 910 91 91 444 135 47 443 179 47 503 207 25 643 246 0 224 157 25 254 182 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)

155
123√2
123
32√2
20√2
59
12√2
12
28√2
28
39√2
91
91√2
44√2
44
50
64
22√2
25√2