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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:68AG GHM

Order: 18

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 2, 2√2, 4, 5, 6, 5√2, 7√2, 10, 14, 15, 20, 24, 29, 34, 39, 29√2, 34√2.

Code: 395 0 29 344 34 34 343 68 34 54 39 29 53 44 29 205 44 14 241 68 34 297 0 29 290 29 29 151 44 29 141 58 14 72 65 7 61 64 14 45 64 10 25 64 8 24 66 8 103 68 0 14 65 7

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)

39
34√2
34
5√2
5
20
24
29
29√2
15
14
7√2
6
4
2
2√2
10
1√2