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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142CE GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 1√2, 2, 2√2, 3, 4, 6, 17, 17√2, 20√2, 24√2, 34, 37, 27√2, 44, 54, 44√2, 71, 98, 71√2.

Code: 985 0 44 714 71 71 713 142 71 274 98 44 343 125 37 172 142 54 171 142 71 543 142 0 447 0 44 440 44 44 244 68 20 43 92 40 67 92 44 206 68 20 35 88 37 24 90 38 23 92 38 14 91 37 377 88 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)

98
71√2
71
27√2
34
17√2
17
54
44
44√2
24√2
4
6
20√2
3
2√2
2
1√2
37