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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:100AW GHM

Order: 18

Horizontal side: 100 Vertical side: 100

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 11√2, 19, 22, 17√2, 25, 28, 22√2, 39, 50, 39√2, 61, 50√2.

Code: 615 0 39 504 50 50 503 100 50 114 61 39 30 72 50 281 100 50 83 69 39 42 73 43 61 75 47 255 75 22 43 73 39 22 75 41 193 75 22 397 0 39 390 39 39 174 56 22 224 78 0 223 100 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)

61
50√2
50
11√2
3√2
28
8
4√2
6
25
4
2√2
19
39
39√2
17√2
22√2
22