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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:270AN GHM

Order: 19

Horizontal side: 270 Vertical side: 270

Elements: 8√2, 10√2, 16, 20, 16√2, 20√2, 32, 38, 27√2, 40, 54, 60, 46√2, 54√2, 92, 81√2, 162, 116√2, 216.

Code: 2167 0 270 276 189 243 547 216 270 546 216 216 810 189 243 923 108 70 462 154 116 1621 270 162 1160 154 116 166 0 54 327 16 70 403 48 30 607 48 70 165 0 38 385 0 0 84 8 30 204 28 10 203 48 10 104 38 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)

216
27√2
54
54√2
81√2
92
46√2
162
116√2
16√2
32
40
60
16
38
8√2
20√2
20
10√2