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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:144AG GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 8√2, 16, 17, 20, 17√2, 18√2, 29, 23√2, 34, 36, 38, 40, 29√2, 34√2, 36√2, 46√2, 72, 52√2, 72√2.

Code: 725 0 72 724 72 72 526 92 92 203 92 72 292 121 63 362 36 36 464 46 26 383 92 34 293 121 34 232 144 40 403 144 0 363 36 0 182 54 18 86 46 26 167 54 34 340 70 34 341 104 34 172 121 17 171 121 34

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
29√2
36√2
46√2
38
29
23√2
40
36
18√2
8√2
16
34√2
34
17√2
17