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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:134AE GHM

Order: 18

Horizontal side: 134 Vertical side: 134

Elements: 1, 1√2, 2, 3, 3√2, 6, 6√2, 11√2, 22, 22√2, 34, 44, 45, 56, 67, 78, 56√2, 67√2.

Code: 785 0 56 674 67 67 673 134 67 114 78 56 23 89 65 12 90 66 451 134 67 13 90 65 445 90 22 30 87 65 31 90 65 60 84 62 61 90 62 567 0 56 560 56 56 341 90 56 224 112 0 223 134 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)

78
67√2
67
11√2
2
1√2
45
1
44
3√2
3
6√2
6
56
56√2
34
22√2
22