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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:240AE2of2 GHM

Order: 19

Horizontal side: 240 Vertical side: 240

Elements: 6√2, 8√2, 12, 9√2, 12√2, 18, 24, 36, 26√2, 34√2, 52, 68, 52√2, 86, 68√2, 77√2, 86√2, 154, 120√2.

Code: 1545 0 86 1204 120 120 526 188 188 683 188 120 525 188 136 82 196 128 264 214 110 686 172 68 243 196 104 122 208 116 344 154 86 123 208 104 62 214 110 183 172 86 367 172 104 865 0 0 864 86 0 96 163 77 770 163 77

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
120√2
52√2
68
52
8√2
26√2
68√2
24
12√2
34√2
12
6√2
18
36
86
86√2
9√2
77√2