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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:208AJ GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 1√2, 5√2, 6√2, 10, 10√2, 20, 28, 21√2, 27√2, 28√2, 42, 56, 42√2, 62, 83, 104, 83√2, 125, 104√2.

Code: 1255 0 83 1044 104 104 1043 208 104 214 125 83 106 136 94 205 146 84 621 208 104 56 131 89 105 136 84 60 131 89 14 137 83 280 138 84 281 166 84 422 208 42 837 0 83 830 83 83 274 110 56 561 166 56 423 208 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)

125
104√2
104
21√2
10√2
20
62
5√2
10
6√2
1√2
28√2
28
42√2
83
83√2
27√2
56
42