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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:282AC GHM

Order: 19

Horizontal side: 282 Vertical side: 282

Elements: 2√2, 4, 4√2, 6√2, 8√2, 10√2, 20, 20√2, 30, 48, 39√2, 48√2, 78, 108, 78√2, 126, 117√2, 126√2, 204.

Code: 2047 0 282 480 204 282 481 252 282 202 272 262 301 282 282 203 272 242 102 282 252 1266 156 126 42 256 238 41 256 242 22 258 240 84 264 234 60 258 240 1176 39 117 1087 156 234 1265 156 0 390 39 117 787 0 78 780 78 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)

204
48√2
48
20√2
30
20
10√2
126√2
4√2
4
2√2
8√2
6√2
117√2
108
126
39√2
78
78√2