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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:138BO GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 1, 1√2, 2, 3, 3√2, 6, 6√2, 11, 12, 23, 17√2, 34, 46, 34√2, 58, 46√2, 52√2, 92, 69√2.

Code: 925 0 46 694 69 69 526 86 86 170 86 86 231 92 69 117 92 69 23 103 67 12 104 68 13 104 67 342 138 34 30 101 67 31 104 67 60 98 64 61 104 64 127 92 58 583 104 0 465 0 0 464 46 0 343 138 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)

92
69√2
52√2
17√2
23
11
2
1√2
1
34√2
3√2
3
6√2
6
12
58
46
46√2
34