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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:78AU GHM

Order: 19

Horizontal side: 78 Vertical side: 78

Elements: 4, 4√2, 7, 5√2, 8, 6√2, 10, 8√2, 10√2, 12√2, 19, 14√2, 20, 23, 29, 39, 29√2, 49, 39√2.

Code: 495 0 29 394 39 39 393 78 39 104 49 29 103 59 29 52 64 34 191 78 39 126 52 22 142 78 20 297 0 29 290 29 29 231 52 29 77 52 29 82 60 14 203 78 0 83 60 6 42 64 10 43 64 6 64 58 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
39√2
39
10√2
10
5√2
19
12√2
14√2
29
29√2
23
7
8√2
20
8
4√2
4
6√2