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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:166AW1of4 GHM

Order: 19

Horizontal side: 166 Vertical side: 166

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 7√2, 8√2, 15√2, 30, 23√2, 30√2, 53, 60, 68, 83, 68√2, 98, 83√2.

Code: 985 0 68 834 83 83 833 166 83 154 98 68 230 113 83 531 166 83 687 0 68 680 68 68 74 75 61 46 78 64 85 82 60 84 90 60 26 76 62 45 78 60 16 75 61 25 76 60 601 136 60 302 166 30 303 166 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)

98
83√2
83
15√2
23√2
53
68
68√2
7√2
4√2
8
8√2
2√2
4
1√2
2
60
30√2
30