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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:142CE GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 2, 6√2, 8√2, 12, 16, 12√2, 16√2, 24, 26, 21√2, 34, 42, 34√2, 58, 42√2, 58√2, 63√2, 100.

Code: 1007 0 142 216 79 121 427 100 142 426 100 100 630 79 121 166 0 42 345 16 24 344 50 24 580 84 58 581 142 58 165 0 26 265 0 0 84 8 18 23 16 24 66 8 18 127 14 24 126 14 12 247 26 24

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)

100
21√2
42
42√2
63√2
16√2
34
34√2
58√2
58
16
26
8√2
2
6√2
12
12√2
24