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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:90AF4of4 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 61 156 0 52 205 15 47 204 35 47 350 55 67 61 61 67 262 26 26 105 15 37 104 25 37 54 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
15√2
20
20√2
35√2
6
26√2
10
10√2
5√2
19√2
32√2
32
26
13√2