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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:110BL1of2 GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 18, 21, 17√2, 34, 38, 36√2, 38√2, 55, 72, 55√2.

Code: 725 0 38 554 55 55 553 110 55 174 72 38 30 89 55 211 110 55 60 86 52 61 92 52 185 92 34 40 80 46 121 92 46 43 76 38 87 76 42 80 84 42 385 0 0 384 38 0 26 74 36 360 74 36 341 110 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
55√2
55
17√2
3√2
21
6√2
6
18
4√2
12
4
8
8√2
38
38√2
2√2
36√2
34