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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:130AL GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 7, 7√2, 12, 14, 10√2, 20, 21, 16√2, 28, 20√2, 21√2, 32, 28√2, 42, 37√2, 58, 72, 51√2, 65√2.

Code: 725 0 58 654 65 65 516 79 79 143 79 65 215 79 58 74 72 58 73 79 58 587 0 58 216 37 37 427 58 58 100 100 58 323 90 16 207 90 48 200 110 48 370 37 37 127 90 28 280 102 28 281 130 28 164 74 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)

72
65√2
51√2
14
21
7√2
7
58
21√2
42
10√2
32
20
20√2
37√2
12
28√2
28
16√2