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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:134AK GHM

Order: 19

Horizontal side: 134 Vertical side: 134

Elements: 5√2, 7√2, 14, 18, 14√2, 20, 22, 20√2, 30, 32, 40, 42, 30√2, 32√2, 35√2, 42√2, 60, 74, 67√2.

Code: 745 0 60 674 67 67 603 134 74 76 67 67 145 74 60 144 88 60 320 102 74 321 134 74 302 30 30 354 35 25 403 70 20 187 70 60 227 70 42 420 92 42 421 134 42 303 30 0 52 35 25 205 30 0 204 50 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)

74
67√2
60
7√2
14
14√2
32√2
32
30√2
35√2
40
18
22
42√2
42
30
5√2
20
20√2