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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:188AD GHM

Order: 19

Horizontal side: 188 Vertical side: 188

Elements: 2, 12, 12√2, 26, 32, 36, 26√2, 27√2, 44, 36√2, 54, 72, 53√2, 76, 54√2, 56√2, 80, 72√2, 76√2.

Code: 807 0 188 536 27 135 722 152 116 721 152 188 362 188 152 361 188 188 766 112 76 270 27 135 542 54 54 541 54 108 262 80 82 263 80 56 323 112 44 765 112 0 27 54 56 560 56 56 124 68 44 123 80 44 441 112 44

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)

80
53√2
72√2
72
36√2
36
76√2
27√2
54√2
54
26√2
26
32
76
2
56√2
12√2
12
44