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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:204AS GHM

Order: 19

Horizontal side: 204 Vertical side: 204

Elements: 7√2, 9√2, 14, 10√2, 14√2, 20, 19√2, 20√2, 21√2, 40, 42, 52, 40√2, 62, 82, 102, 82√2, 122, 102√2.

Code: 1225 0 82 1024 102 102 1023 204 102 204 122 82 203 142 82 102 152 92 621 204 102 196 133 73 525 152 40 827 0 82 820 82 82 421 124 82 212 145 61 94 133 73 70 145 61 140 138 54 141 152 54 404 164 0 403 204 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)

122
102√2
102
20√2
20
10√2
62
19√2
52
82
82√2
42
21√2
9√2
7√2
14√2
14
40√2
40