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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BE GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 5, 5√2, 8, 11, 8√2, 9√2, 11√2, 18, 14√2, 22, 18√2, 30, 22√2, 41, 52, 41√2, 63, 52√2.

Code: 635 0 41 524 52 52 523 104 52 114 63 41 113 74 41 82 82 44 301 104 52 83 82 36 222 104 22 417 0 41 410 41 41 144 55 27 50 69 41 51 74 41 96 55 27 187 64 36 186 64 18 223 104 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)

63
52√2
52
11√2
11
8√2
30
8
22√2
41
41√2
14√2
5√2
5
9√2
18
18√2
22