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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AI GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 1√2, 2, 2√2, 3√2, 13√2, 20, 24, 17√2, 20√2, 24√2, 34, 34√2, 68, 71, 88, 105, 122, 88√2, 105√2.

Code: 1225 0 88 1054 105 105 1053 210 105 174 122 88 130 139 105 711 210 105 16 125 91 27 126 92 26 126 90 247 128 92 240 152 92 30 125 91 887 0 88 880 88 88 204 108 68 203 128 68 681 176 68 342 210 34 343 210 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
13√2
71
1√2
2
2√2
24
24√2
3√2
88
88√2
20√2
20
68
34√2
34