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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:220BK GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 2, 2√2, 12, 12√2, 24, 23√2, 24√2, 25√2, 42, 44, 48, 50, 42√2, 62, 86, 110, 86√2, 134, 110√2.

Code: 1345 0 86 1104 110 110 1103 220 110 244 134 86 243 158 86 122 170 98 621 220 110 123 170 86 505 170 48 867 0 86 860 86 86 424 128 44 423 170 44 22 172 46 254 195 23 483 220 0 23 172 44 232 195 23 441 172 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)

134
110√2
110
24√2
24
12√2
62
12
50
86
86√2
42√2
42
2√2
25√2
48
2
23√2
44