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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:108AC4of4 GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 8, 8√2, 16, 13√2, 14√2, 22, 16√2, 26, 28, 30, 26√2, 28√2, 40, 30√2, 52, 39√2, 40√2, 42√2.

Code: 527 0 108 136 39 95 267 52 108 266 52 82 307 78 108 306 78 78 390 39 95 225 78 56 282 28 28 424 42 14 160 84 56 161 100 56 82 108 48 83 108 40 400 68 40 401 108 40 283 28 0 142 42 14

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)

52
13√2
26
26√2
30
30√2
39√2
22
28√2
42√2
16√2
16
8√2
8
40√2
40
28
14√2