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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:158AR GHM

Order: 19

Horizontal side: 158 Vertical side: 158

Elements: 3√2, 5, 9√2, 14, 12√2, 18, 19, 14√2, 15√2, 18√2, 30, 30√2, 46, 49, 64, 79, 64√2, 94, 79√2.

Code: 945 0 64 794 79 79 793 158 79 154 94 64 126 97 67 195 109 60 491 158 79 30 97 67 647 0 64 640 64 64 184 82 46 183 100 46 92 109 55 57 109 60 140 114 60 141 128 60 302 158 30 461 128 46 303 158 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)

94
79√2
79
15√2
12√2
19
49
3√2
64
64√2
18√2
18
9√2
5
14√2
14
30√2
46
30