Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AS GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 2√2, 4, 7√2, 10, 14, 16√2, 17√2, 18√2, 22√2, 32, 34, 39, 34√2, 56, 73, 56√2, 90, 73√2.

Code: 905 0 56 734 73 73 733 146 73 174 90 56 70 107 73 391 146 73 103 100 56 147 100 66 166 98 50 325 114 34 567 0 56 560 56 56 224 78 34 43 100 52 180 96 52 24 98 50 344 112 0 343 146 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)

90
73√2
73
17√2
7√2
39
10
14
16√2
32
56
56√2
22√2
4
18√2
2√2
34√2
34