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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AO GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 2√2, 12√2, 14√2, 22, 24, 28, 22√2, 23√2, 28√2, 44, 33√2, 49, 56, 44√2, 77, 105, 77√2, 133, 105√2.

Code: 1335 0 77 1054 105 105 1053 210 105 284 133 77 283 161 77 142 175 91 491 210 105 120 175 91 20 163 79 241 187 79 232 210 56 777 0 77 770 77 77 444 121 33 443 165 33 222 187 55 563 210 0 223 187 33 334 154 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)

133
105√2
105
28√2
28
14√2
49
12√2
2√2
24
23√2
77
77√2
44√2
44
22√2
56
22
33√2