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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:125AE3of4 GHM

Order: 19

Horizontal side: 125 Vertical side: 125

Elements: 4√2, 8, 8√2, 14, 16, 12√2, 14√2, 16√2, 23, 28, 23√2, 37, 30√2, 51, 37√2, 60, 65, 51√2, 74.

Code: 745 0 51 601 60 125 302 90 95 651 125 125 163 90 79 82 98 87 83 98 79 42 102 83 166 86 67 232 125 60 146 60 65 285 74 51 124 86 67 233 125 37 515 0 0 514 51 0 143 102 37 370 88 37 371 125 37

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)

74
60
30√2
65
16
8√2
8
4√2
16√2
23√2
14√2
28
12√2
23
51
51√2
14
37√2
37