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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AB GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 11, 11√2, 16, 20, 22, 16√2, 24, 20√2, 22√2, 32, 24√2, 32√2, 53, 73, 89, 105, 121, 89√2, 105√2.

Code: 1215 0 89 1054 105 105 1053 210 105 164 121 89 163 137 89 202 157 85 731 210 105 897 0 89 890 89 89 244 113 65 243 137 65 203 157 65 535 157 32 224 135 43 223 157 43 114 146 32 113 157 32 324 178 0 323 210 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)

121
105√2
105
16√2
16
20√2
73
89
89√2
24√2
24
20
53
22√2
22
11√2
11
32√2
32