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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:82AB GHM

Order: 18

Horizontal side: 82 Vertical side: 82

Elements: 1√2, 2, 7√2, 14, 18, 13√2, 15√2, 22, 24, 18√2, 26, 28, 32, 25√2, 36, 28√2, 29√2, 32√2.

Code: 325 0 50 324 32 50 180 64 82 181 82 82 143 46 50 72 53 57 361 82 64 290 53 57 252 25 25 241 24 50 227 24 50 25 24 26 154 39 13 280 54 28 281 82 28 14 25 25 263 26 0 132 39 13

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)

32
32√2
18√2
18
14
7√2
36
29√2
25√2
24
22
2
15√2
28√2
28
1√2
26
13√2