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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:96AH GHM

Order: 18

Horizontal side: 96 Vertical side: 96

Elements: 1, 4, 4√2, 8, 6√2, 7√2, 8√2, 14, 15, 12√2, 14√2, 28, 34, 41, 48, 55, 41√2, 48√2.

Code: 555 0 41 484 48 48 483 96 48 74 55 41 60 62 48 341 96 48 13 56 41 82 64 34 81 64 42 42 68 38 41 68 42 285 68 14 417 0 41 410 41 41 151 56 41 126 56 26 144 82 0 143 96 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)

55
48√2
48
7√2
6√2
34
1
8√2
8
4√2
4
28
41
41√2
15
12√2
14√2
14