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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:90AF2of4 GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 6, 5√2, 10, 10√2, 13√2, 20, 15√2, 23, 26, 19√2, 20√2, 29, 32, 23√2, 26√2, 38, 29√2, 32√2, 35√2.

Code: 387 0 90 230 38 90 231 61 90 297 61 90 296 61 61 106 5 57 205 15 47 204 35 47 350 55 67 61 61 67 56 0 52 105 5 47 262 26 26 154 20 32 194 39 13 320 58 32 321 90 32 263 26 0 132 39 13

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)

38
23√2
23
29
29√2
10√2
20
20√2
35√2
6
5√2
10
26√2
15√2
19√2
32√2
32
26
13√2