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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:161AB GHM

Order: 18

Horizontal side: 161 Vertical side: 161

Elements: 13√2, 14√2, 26, 28, 35, 26√2, 39, 46, 35√2, 52, 56, 59, 63, 46√2, 66, 70, 56√2, 63√2.

Code: 635 0 98 634 63 98 350 126 161 351 161 161 283 91 98 142 105 112 701 161 126 663 105 46 562 161 56 397 0 98 266 13 72 527 39 98 136 0 59 265 13 46 595 0 0 563 161 0 464 59 0 463 105 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
63√2
35√2
35
28
14√2
70
66
56√2
39
26√2
52
13√2
26
59
56
46√2
46