Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:52AS JDS

Order: 19

Horizontal side: 52 Vertical side: 52

Elements: 1, 1√2, 2, 2√2, 3, 4, 3√2, 4√2, 6, 8, 12, 14, 12√2, 13√2, 20, 26, 20√2, 32, 26√2.

Code: 325 0 20 264 26 26 263 52 26 134 39 13 143 52 12 207 0 20 200 20 20 81 28 20 42 32 16 41 32 20 22 34 18 63 34 12 32 37 15 33 37 12 25 37 13 15 37 12 14 38 12 124 40 0 123 52 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)

32
26√2
26
13√2
14
20
20√2
8
4√2
4
2√2
6
3√2
3
2
1
1√2
12√2
12