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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:50AE4of4 GHM

Order: 19

Horizontal side: 50 Vertical side: 50

Elements: 2√2, 4, 3√2, 5, 4√2, 6, 8, 10, 11, 8√2, 12, 10√2, 16, 12√2, 14√2, 20, 19√2, 20√2, 25√2.

Code: 252 25 25 204 20 30 203 40 30 102 50 40 101 50 50 146 36 26 51 25 30 117 25 30 26 34 28 47 36 30 126 22 16 165 34 12 63 25 19 190 19 19 34 22 16 85 34 4 84 42 4 123 50 0 44 38 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)

25√2
20√2
20
10√2
10
14√2
5
11
2√2
4
12√2
16
6
19√2
3√2
8
8√2
12
4√2