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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:254AD3of4 GHM

Order: 19

Horizontal side: 254 Vertical side: 254

Elements: 10, 10√2, 16, 20, 20√2, 30, 35, 27√2, 30√2, 35√2, 54, 46√2, 54√2, 81, 92, 81√2, 127, 173, 127√2.

Code: 1735 0 81 1274 127 127 1273 254 127 464 173 81 306 189 97 352 254 92 351 254 127 163 189 81 202 209 77 923 254 0 817 0 81 810 81 81 544 135 27 543 189 27 203 209 57 102 219 67 103 219 57 307 189 57 274 162 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)

173
127√2
127
46√2
30√2
35√2
35
16
20√2
92
81
81√2
54√2
54
20
10√2
10
30
27√2