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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:106AG GHM

Order: 18

Horizontal side: 106 Vertical side: 106

Elements: 7, 8, 6√2, 8√2, 12, 12√2, 15√2, 23, 18√2, 30, 22√2, 23√2, 24√2, 30√2, 46, 38√2, 60, 53√2.

Code: 605 0 46 534 53 53 386 68 68 150 68 68 71 60 53 237 60 53 230 83 53 465 0 0 244 24 22 66 42 40 127 48 46 126 48 34 180 42 40 85 60 22 84 68 22 300 76 30 301 106 30 224 46 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)

60
53√2
38√2
15√2
7
23
23√2
46
24√2
6√2
12
12√2
18√2
8
8√2
30√2
30
22√2