Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:138BM GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 1, 1√2, 2, 4, 4√2, 8, 12, 12√2, 24, 22√2, 24√2, 43, 44, 46, 48, 46√2, 47√2, 92, 69√2.

Code: 925 0 46 694 69 69 476 91 91 226 69 69 435 91 48 17 91 48 16 91 47 27 92 48 483 94 0 242 118 24 241 118 48 122 130 36 121 130 48 47 130 48 40 134 48 465 0 0 464 46 0 87 130 44 443 138 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)

92
69√2
47√2
22√2
43
1
1√2
2
48
24√2
24
12√2
12
4
4√2
46
46√2
8
44