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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142BY GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 2, 5√2, 10, 10√2, 15√2, 22, 25, 20√2, 22√2, 23√2, 25√2, 26√2, 46, 48, 48√2, 71, 94, 71√2.

Code: 945 0 48 714 71 71 713 142 71 234 94 48 250 117 71 251 142 71 487 0 48 480 48 48 224 70 26 223 92 26 27 92 48 102 102 36 101 102 46 52 107 41 204 122 26 463 142 0 150 107 41 264 96 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)

94
71√2
71
23√2
25√2
25
48
48√2
22√2
22
2
10√2
10
5√2
20√2
46
15√2
26√2