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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AE GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 17√2, 34, 25√2, 29√2, 34√2, 68, 71, 88, 105, 122, 88√2, 105√2.

Code: 1225 0 88 1054 105 105 1053 210 105 174 122 88 30 139 105 711 210 105 60 136 102 61 142 102 685 142 34 80 130 96 81 138 96 42 142 92 41 142 96 296 113 63 887 0 88 880 88 88 254 113 63 344 176 0 343 210 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)

122
105√2
105
17√2
3√2
71
6√2
6
68
8√2
8
4√2
4
29√2
88
88√2
25√2
34√2
34