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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:221AA GHM

Order: 19

Horizontal side: 221 Vertical side: 221

Elements: 13√2, 26, 24√2, 26√2, 39, 48, 52, 53, 58, 48√2, 72, 53√2, 77, 78, 58√2, 91, 72√2, 110, 91√2.

Code: 915 0 130 914 91 130 130 182 221 391 221 221 783 169 130 267 169 208 260 195 208 527 169 182 1103 221 72 537 0 130 536 0 77 585 53 72 584 111 72 775 0 0 485 53 24 484 101 24 720 149 72 721 221 72 244 77 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)

91
91√2
13√2
39
78
26
26√2
52
110
53
53√2
58
58√2
77
48
48√2
72√2
72
24√2