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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:70AZ GHM

Order: 19

Horizontal side: 70 Vertical side: 70

Elements: 2√2, 4, 3√2, 5, 4√2, 6, 5√2, 8, 10, 8√2, 10√2, 20, 15√2, 28, 20√2, 35, 25√2, 42, 35√2.

Code: 425 0 28 354 35 35 353 70 35 154 50 20 50 65 35 51 70 35 100 60 30 101 70 30 287 0 28 36 25 25 67 28 28 46 30 24 87 34 28 80 42 28 250 25 25 26 28 22 45 30 20 204 50 0 203 70 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)

42
35√2
35
15√2
5√2
5
10√2
10
28
3√2
6
4√2
8
8√2
25√2
2√2
4
20√2
20