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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AG GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 2, 2√2, 4, 3√2, 6, 9, 7√2, 11, 17√2, 34, 34√2, 54, 68, 71, 88, 105, 122, 88√2, 105√2.

Code: 1225 0 88 1054 105 105 1053 210 105 174 122 88 63 139 99 32 142 102 711 210 105 76 135 95 685 142 34 113 133 88 27 133 99 26 133 97 47 135 99 95 133 88 887 0 88 880 88 88 541 142 88 344 176 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
6
3√2
71
7√2
68
11
2
2√2
4
9
88
88√2
54
34√2
34