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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:144BP GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 3√2, 6, 6√2, 7√2, 8√2, 9√2, 14, 18, 17√2, 34, 48, 34√2, 62, 48√2, 55√2, 96, 72√2.

Code: 965 0 48 724 72 72 556 89 89 176 72 72 185 89 71 82 97 63 94 98 62 30 107 71 60 104 68 61 110 68 342 144 34 10 97 63 76 89 55 147 96 62 623 110 0 485 0 0 484 48 0 343 144 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)

96
72√2
55√2
17√2
18
8√2
9√2
3√2
6√2
6
34√2
1√2
7√2
14
62
48
48√2
34