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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:274AD GHM

Order: 19

Horizontal side: 274 Vertical side: 274

Elements: 7√2, 14, 16, 14√2, 16√2, 28, 32, 28√2, 32√2, 56, 64, 73, 56√2, 57√2, 105, 137, 105√2, 169, 137√2.

Code: 1695 0 105 1374 137 137 1373 274 137 324 169 105 323 201 105 162 217 121 731 274 137 163 217 105 572 274 64 1057 0 105 1050 105 105 564 161 49 563 217 49 643 274 0 284 189 21 283 217 21 144 203 7 143 217 7 74 210 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)

169
137√2
137
32√2
32
16√2
73
16
57√2
105
105√2
56√2
56
64
28√2
28
14√2
14
7√2