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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:112AT GHM

Order: 18

Horizontal side: 112 Vertical side: 112

Elements: 3√2, 8√2, 16, 14√2, 15√2, 22, 16√2, 24, 28, 30, 32, 26√2, 28√2, 29√2, 30√2, 41√2, 42√2, 56√2.

Code: 562 56 56 424 42 70 280 84 112 281 112 112 146 42 70 292 85 55 321 88 84 162 104 68 241 112 84 163 104 52 82 112 60 306 82 30 156 41 41 30 85 55 266 56 26 227 82 52 410 41 41 305 82 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)

56√2
42√2
28√2
28
14√2
29√2
32
16√2
24
16
8√2
30√2
15√2
3√2
26√2
22
41√2
30