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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:316AF GHM

Order: 19

Horizontal side: 316 Vertical side: 316

Elements: 18, 18√2, 21√2, 34, 36, 42, 34√2, 36√2, 38√2, 42√2, 68, 72, 86, 63√2, 122, 158, 122√2, 194, 158√2.

Code: 1945 0 122 1584 158 158 1583 316 158 364 194 122 363 230 122 182 248 140 861 316 158 183 248 122 685 248 72 1227 0 122 1220 122 122 634 185 59 426 206 80 216 185 59 425 206 38 345 248 38 344 282 38 723 316 0 384 244 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)

194
158√2
158
36√2
36
18√2
86
18
68
122
122√2
63√2
42√2
21√2
42
34
34√2
72
38√2