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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:35AA GHM

Order: 18

Horizontal side: 35 Vertical side: 35

Elements: 1√2, 2, 5, 5√2, 8, 6√2, 9, 7√2, 10, 11, 8√2, 12, 9√2, 11√2, 16, 12√2, 17, 18.

Code: 125 0 23 124 12 23 173 24 18 112 35 24 111 35 35 163 35 8 72 7 16 64 6 17 16 6 17 27 7 18 96 0 9 185 9 0 101 19 18 52 24 13 51 24 18 95 0 0 84 27 0 83 35 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)

12
12√2
17
11√2
11
16
7√2
6√2
1√2
2
9√2
18
10
5√2
5
9
8√2
8