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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:110AJ GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 4, 4√2, 8, 7√2, 12, 14, 12√2, 16√2, 23, 26, 28, 32, 23√2, 38, 32√2, 46, 55, 64, 55√2.

Code: 645 0 46 554 55 55 553 110 55 164 71 39 230 87 55 231 110 55 465 0 0 381 38 46 267 38 46 143 64 32 72 71 39 126 38 20 287 50 32 320 78 32 321 110 32 125 38 8 81 46 8 42 50 4 41 50 8

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)

64
55√2
55
16√2
23√2
23
46
38
26
14
7√2
12√2
28
32√2
32
12
8
4√2
4