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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:80BG GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 3, 4, 7, 6√2, 7√2, 10, 12, 10√2, 11√2, 12√2, 18, 13√2, 22, 16√2, 29, 40, 29√2, 51, 40√2.

Code: 515 0 29 404 40 40 403 80 40 114 51 29 76 55 33 122 74 28 181 80 40 43 55 29 75 55 26 297 0 29 290 29 29 134 42 16 33 55 26 123 74 16 62 80 22 100 52 26 101 62 26 223 80 0 164 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)

51
40√2
40
11√2
7√2
12√2
18
4
7
29
29√2
13√2
3
12
6√2
10√2
10
22
16√2