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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AW GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 1√2, 7√2, 8√2, 16, 12√2, 16√2, 24, 31, 24√2, 31√2, 37√2, 56, 62, 68, 74, 68√2, 105, 142, 105√2.

Code: 1425 0 68 1054 105 105 1053 210 105 374 142 68 310 179 105 311 210 105 76 141 67 627 148 74 743 210 0 687 0 68 680 68 68 561 124 68 162 140 52 161 140 68 82 148 60 14 141 67 246 124 36 245 124 12 124 136 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)

142
105√2
105
37√2
31√2
31
7√2
62
74
68
68√2
56
16√2
16
8√2
1√2
24√2
24
12√2