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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:132AR GHM

Order: 18

Horizontal side: 132 Vertical side: 132

Elements: 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 12√2, 24√2, 28√2, 40, 46, 52, 40√2, 43√2, 46√2, 80, 86.

Code: 865 0 46 801 80 132 282 108 104 521 132 132 240 108 104 46 80 76 87 84 80 86 84 72 407 92 80 406 92 40 122 92 64 123 92 52 64 86 46 63 92 46 465 0 0 464 46 0 36 89 43 430 89 43

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)

86
80
28√2
52
24√2
4√2
8
8√2
40
40√2
12√2
12
6√2
6
46
46√2
3√2
43√2