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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:126AB GHM

Order: 18

Horizontal side: 126 Vertical side: 126

Elements: 8√2, 14, 14√2, 17√2, 28, 20√2, 30, 22√2, 34, 40, 29√2, 44, 46, 34√2, 40√2, 58, 46√2, 52√2.

Code: 587 0 126 443 58 82 222 80 104 344 92 92 343 126 92 526 28 52 292 109 75 174 109 75 466 80 46 140 14 82 141 28 82 307 28 82 287 0 68 86 20 60 200 20 60 465 80 0 407 0 40 400 40 40

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)

58
44
22√2
34√2
34
52√2
29√2
17√2
46√2
14√2
14
30
28
8√2
20√2
46
40
40√2