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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:82AO GHM

Order: 19

Horizontal side: 82 Vertical side: 82

Elements: 2√2, 3√2, 7, 5√2, 9, 7√2, 10, 11, 8√2, 9√2, 16, 16√2, 23, 25, 33, 41, 33√2, 49, 41√2.

Code: 495 0 33 414 41 41 413 82 41 84 49 33 113 57 30 92 66 32 251 82 41 337 0 33 330 33 33 101 43 33 52 48 28 34 46 30 93 66 23 162 82 16 24 48 28 70 50 30 71 57 30 231 66 23 163 82 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)

49
41√2
41
8√2
11
9√2
25
33
33√2
10
5√2
3√2
9
16√2
2√2
7√2
7
23
16