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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AI GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 9√2, 14, 10√2, 18, 20, 18√2, 20√2, 23√2, 36, 30√2, 46, 36√2, 63, 46√2, 86, 109, 86√2, 132, 109√2.

Code: 1325 0 86 1094 109 109 1093 218 109 234 132 86 90 155 109 631 218 109 143 146 86 187 146 100 180 164 100 867 0 86 860 86 86 304 116 56 206 126 66 367 146 82 360 182 82 106 116 56 205 126 46 464 172 0 463 218 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)

132
109√2
109
23√2
9√2
63
14
18
18√2
86
86√2
30√2
20√2
36
36√2
10√2
20
46√2
46