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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:130AK GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 7, 7√2, 8√2, 12, 14, 10√2, 16, 20, 21, 16√2, 28, 20√2, 32, 28√2, 58, 50√2, 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 58 585 0 0 504 50 8 100 100 58 323 90 16 207 90 48 200 110 48 127 90 28 280 102 28 281 130 28 86 50 8 165 58 0 164 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
50√2
10√2
32
20
20√2
12
28√2
28
8√2
16
16√2