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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:114AC GHM

Order: 18

Horizontal side: 114 Vertical side: 114

Elements: 4√2, 11√2, 16, 12√2, 16√2, 23, 24, 30, 32, 23√2, 24√2, 30√2, 45, 46, 48, 42√2, 60, 45√2.

Code: 465 0 68 424 42 72 300 84 114 301 114 114 120 54 84 601 114 84 44 46 68 160 50 72 161 66 72 485 66 24 235 0 45 234 23 45 110 34 56 321 66 56 457 0 45 450 45 45 244 90 0 243 114 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)

46
42√2
30√2
30
12√2
60
4√2
16√2
16
48
23
23√2
11√2
32
45
45√2
24√2
24