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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:100AS GHM

Order: 18

Horizontal side: 100 Vertical side: 100

Elements: 2√2, 3√2, 5, 5√2, 9, 10, 8√2, 9√2, 16, 18, 16√2, 32, 34, 42, 50, 58, 42√2, 50√2.

Code: 585 0 42 504 50 50 503 100 50 84 58 42 96 57 41 185 66 32 341 100 50 427 0 42 420 42 42 101 52 42 52 57 37 34 55 39 26 55 39 95 57 32 53 57 32 321 84 32 162 100 16 163 100 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)

58
50√2
50
8√2
9√2
18
34
42
42√2
10
5√2
3√2
2√2
9
5
32
16√2
16