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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:106BC GHM

Order: 19

Horizontal side: 106 Vertical side: 106

Elements: 1√2, 5, 7, 5√2, 6√2, 7√2, 8√2, 14, 11√2, 15√2, 22, 16√2, 30, 22√2, 30√2, 38√2, 60, 46√2, 76.

Code: 767 0 106 603 76 46 302 106 76 301 106 106 386 68 38 166 0 30 225 16 24 224 38 24 460 60 46 84 68 38 152 15 15 52 21 19 114 27 13 53 21 14 62 27 13 10 15 15 143 14 0 72 21 7 71 21 14

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)

76
60
30√2
30
38√2
16√2
22
22√2
46√2
8√2
15√2
5√2
11√2
5
6√2
1√2
14
7√2
7