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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AO GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 7√2, 10√2, 24, 17√2, 18√2, 24√2, 34, 36, 27√2, 48, 36√2, 37√2, 54, 55, 82, 109, 82√2, 136, 109√2.

Code: 1365 0 82 1094 109 109 1093 218 109 274 136 82 370 163 109 551 218 109 827 0 82 820 82 82 341 116 82 172 133 65 104 126 72 74 133 65 240 140 72 241 164 72 362 200 36 361 200 72 182 218 54 543 218 0 481 164 48

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)

136
109√2
109
27√2
37√2
55
82
82√2
34
17√2
10√2
7√2
24√2
24
36√2
36
18√2
54
48