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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:254AB1of8 GHM

Order: 19

Horizontal side: 254 Vertical side: 254

Elements: 10, 8√2, 10√2, 20, 19√2, 20√2, 30, 38, 27√2, 30√2, 54, 70, 73, 54√2, 100, 127, 100√2, 154, 127√2.

Code: 1545 0 100 1274 127 127 1273 254 127 274 154 100 190 181 127 731 254 127 80 162 108 381 200 108 542 254 54 1007 0 100 1000 100 100 204 120 80 203 140 80 307 140 100 300 170 100 104 130 70 103 140 70 701 200 70 543 254 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)

154
127√2
127
27√2
19√2
73
8√2
38
54√2
100
100√2
20√2
20
30
30√2
10√2
10
70
54