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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:284AH GHM

Order: 19

Horizontal side: 284 Vertical side: 284

Elements: 6√2, 7√2, 12, 12√2, 18, 13√2, 18√2, 20√2, 40, 42, 40√2, 62, 80, 102, 122, 142, 162, 122√2, 142√2.

Code: 1625 0 122 1424 142 142 1423 284 142 204 162 122 136 169 129 625 182 80 1021 284 142 70 169 129 1227 0 122 1220 122 122 421 164 122 122 176 110 121 176 122 62 182 116 186 164 98 185 164 80 801 244 80 402 284 40 403 284 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)

162
142√2
142
20√2
13√2
62
102
7√2
122
122√2
42
12√2
12
6√2
18√2
18
80
40√2
40