Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:58AC GHM

Order: 18

Horizontal side: 58 Vertical side: 58

Elements: 1√2, 3√2, 5, 4√2, 6, 8, 6√2, 7√2, 11, 12, 14, 14√2, 15√2, 22, 18√2, 22√2, 36, 29√2.

Code: 365 0 22 294 29 29 156 43 43 143 43 29 125 43 31 12 44 30 64 49 25 63 55 25 32 58 28 83 44 22 55 44 25 74 36 22 146 44 14 117 44 25 225 0 0 224 22 0 46 40 18 180 40 18

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)

36
29√2
15√2
14
12
1√2
6√2
6
3√2
8
5
7√2
14√2
11
22
22√2
4√2
18√2