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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AH GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 3√2, 6, 8√2, 12, 16, 16√2, 24, 18√2, 31, 32, 25√2, 37, 31√2, 48, 50, 40√2, 68, 56√2, 68√2.

Code: 685 0 68 684 68 68 566 80 80 123 80 68 485 80 32 375 0 31 404 40 28 186 62 50 256 37 25 505 62 0 321 112 32 162 128 16 161 128 32 82 136 24 317 0 31 310 31 31 61 37 31 32 40 28 243 136 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)

68
68√2
56√2
12
48
37
40√2
18√2
25√2
50
32
16√2
16
8√2
31
31√2
6
3√2
24