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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:144BD GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 2, 2√2, 4, 4√2, 7√2, 14, 11√2, 22, 25, 25√2, 47, 50, 47√2, 50√2, 72, 94, 72√2.

Code: 945 0 50 724 72 72 723 144 72 221 94 72 145 94 58 254 119 47 253 144 47 42 98 54 74 101 51 110 108 58 43 98 50 22 100 52 23 100 50 12 101 51 505 0 0 504 50 0 470 97 47 471 144 47

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)

94
72√2
72
22
14
25√2
25
4√2
7√2
11√2
4
2√2
2
1√2
50
50√2
47√2
47