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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:75AB GHM

Order: 19

Horizontal side: 75 Vertical side: 75

Elements: 4, 4√2, 6, 5√2, 8, 6√2, 8√2, 14, 10√2, 15, 16, 20, 15√2, 20√2, 35, 25√2, 40, 30√2, 35√2.

Code: 407 0 75 350 40 75 351 75 75 50 5 40 254 30 15 106 45 30 207 55 40 206 55 20 67 0 35 66 0 29 47 6 35 40 10 35 87 6 31 86 6 23 165 14 15 300 45 30 145 0 15 155 0 0 154 15 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)

40
35√2
35
5√2
25√2
10√2
20
20√2
6
6√2
4
4√2
8
8√2
16
30√2
14
15
15√2