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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:248AP GHM

Order: 19

Horizontal side: 248 Vertical side: 248

Elements: 4, 4√2, 8, 6√2, 7√2, 12, 14, 12√2, 28, 32√2, 46, 39√2, 78, 92, 78√2, 124, 92√2, 156, 124√2.

Code: 1565 0 92 1244 124 124 1243 248 124 324 156 92 46 184 120 85 188 116 141 202 124 72 209 117 461 248 124 283 184 92 45 184 116 390 209 117 122 196 104 121 196 116 62 202 110 925 0 0 924 92 0 780 170 78 781 248 78

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)

156
124√2
124
32√2
4√2
8
14
7√2
46
28
4
39√2
12√2
12
6√2
92
92√2
78√2
78