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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:140AE GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 7√2, 14, 12√2, 14√2, 20, 26, 20√2, 21√2, 32, 26√2, 40, 42, 30√2, 56, 40√2, 58, 42√2, 70, 70√2.

Code: 705 0 70 704 70 70 583 140 82 120 82 82 321 114 82 262 140 56 261 140 82 142 14 56 141 14 70 72 21 63 404 54 30 403 94 30 202 114 50 210 21 63 563 140 0 203 114 30 427 0 42 420 42 42 304 84 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)

70
70√2
58
12√2
32
26√2
26
14√2
14
7√2
40√2
40
20√2
21√2
56
20
42
42√2
30√2