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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:62AA3of4 GHM

Order: 18

Horizontal side: 62 Vertical side: 62

Elements: 1√2, 2, 6√2, 12, 9√2, 11√2, 12√2, 18, 20, 21, 22, 23, 24, 18√2, 19√2, 20√2, 21√2, 22√2.

Code: 225 0 40 224 22 40 243 44 38 122 56 50 181 62 62 123 56 38 62 62 44 233 62 21 202 20 20 114 11 29 96 11 29 192 39 19 184 38 20 16 38 20 27 39 21 210 41 21 211 62 21 203 20 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)

22
22√2
24
12√2
18
12
6√2
23
20√2
11√2
9√2
19√2
18√2
1√2
2
21√2
21
20