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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:274AA1of2 GHM

Order: 19

Horizontal side: 274 Vertical side: 274

Elements: 6, 6√2, 12, 12√2, 18, 14√2, 28, 21√2, 28√2, 42, 39√2, 56, 84, 95, 116, 137, 158, 116√2, 137√2.

Code: 1585 0 116 1374 137 137 1373 274 137 214 158 116 390 179 137 951 274 137 1167 0 116 1160 116 116 124 128 104 123 140 104 187 140 116 64 134 98 63 140 98 841 218 98 565 218 42 285 218 14 284 246 14 423 274 0 144 232 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)

158
137√2
137
21√2
39√2
95
116
116√2
12√2
12
18
6√2
6
84
56
28
28√2
42
14√2