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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:90BB2of4 GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 2, 2√2, 3√2, 6, 6√2, 10, 13, 10√2, 13√2, 16√2, 26, 19√2, 29, 32, 29√2, 45, 61, 45√2.

Code: 615 0 29 454 45 45 453 90 45 164 61 29 263 77 19 132 90 32 131 90 45 323 90 0 297 0 29 290 29 29 101 39 29 22 41 27 21 41 29 12 42 28 104 51 19 30 42 28 67 39 25 60 45 25 194 58 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)

61
45√2
45
16√2
26
13√2
13
32
29
29√2
10
2√2
2
1√2
10√2
3√2
6
6√2
19√2