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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:178AC2of2 GHM

Order: 18

Horizontal side: 178 Vertical side: 178

Elements: 4, 4√2, 8, 8√2, 16, 16√2, 28, 29, 29√2, 30√2, 31√2, 58, 59, 60, 59√2, 89, 119, 89√2.

Code: 1195 0 59 894 89 89 893 178 89 304 119 59 583 149 31 292 178 60 291 178 89 603 178 0 597 0 59 590 59 59 281 87 59 165 87 43 164 103 43 85 87 35 84 95 35 45 87 31 44 91 31 314 118 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)

119
89√2
89
30√2
58
29√2
29
60
59
59√2
28
16
16√2
8
8√2
4
4√2
31√2