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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:120AY GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 4√2, 6, 8, 8√2, 11√2, 16, 15√2, 22, 17√2, 26, 19√2, 20√2, 30, 34, 43, 60, 43√2, 77, 60√2.

Code: 775 0 43 604 60 60 603 120 60 174 77 43 110 94 60 261 120 60 63 83 43 227 83 49 303 105 19 152 120 34 437 0 43 430 43 43 204 63 23 163 83 27 343 120 0 46 63 23 85 67 19 84 75 19 194 86 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)

77
60√2
60
17√2
11√2
26
6
22
30
15√2
43
43√2
20√2
16
34
4√2
8
8√2
19√2