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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:278AD GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 8, 8√2, 16, 16√2, 17√2, 32, 34, 32√2, 34√2, 60, 64, 47√2, 75, 60√2, 107, 139, 107√2, 171, 139√2.

Code: 1715 0 107 1394 139 139 1393 278 139 324 171 107 323 203 107 162 219 123 751 278 139 163 219 107 82 227 115 83 227 107 342 261 81 1077 0 107 1070 107 107 604 167 47 603 227 47 343 261 47 172 278 64 643 278 0 474 214 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)

171
139√2
139
32√2
32
16√2
75
16
8√2
8
34√2
107
107√2
60√2
60
34
17√2
64
47√2