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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:166AV4of4 GHM

Order: 19

Horizontal side: 166 Vertical side: 166

Elements: 2√2, 4, 3√2, 4√2, 6, 5√2, 8, 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 84 76 60 83 84 60 42 88 64 41 88 68 22 90 66 54 93 63 63 90 60 32 93 63 601 136 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
8√2
8
4√2
4
2√2
5√2
6
3√2
60
30√2
30