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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:144AI GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 6, 6√2, 8√2, 16, 20, 17√2, 18√2, 23√2, 34, 36, 38, 40, 34√2, 36√2, 52, 46√2, 72, 52√2, 72√2.

Code: 725 0 72 724 72 72 526 92 92 203 92 72 525 92 40 362 36 36 464 46 26 383 92 34 67 92 40 60 98 40 234 121 17 403 144 0 363 36 0 182 54 18 86 46 26 167 54 34 340 70 34 341 104 34 172 121 17

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
72√2
52√2
20
52
36√2
46√2
38
6
6√2
23√2
40
36
18√2
8√2
16
34√2
34
17√2