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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:230BE GHM

Order: 19

Horizontal side: 230 Vertical side: 230

Elements: 4√2, 14, 14√2, 19√2, 28, 21√2, 23√2, 38, 28√2, 47, 34√2, 60, 47√2, 68, 81, 81√2, 115, 149, 115√2.

Code: 1495 0 81 1154 115 115 1153 230 115 344 149 81 383 183 77 472 230 68 471 230 115 817 0 81 810 81 81 601 141 81 232 164 58 44 145 77 194 164 58 286 155 49 683 230 0 146 141 35 285 155 21 145 141 21 214 162 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)

149
115√2
115
34√2
38
47√2
47
81
81√2
60
23√2
4√2
19√2
28√2
68
14√2
28
14
21√2