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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:264AF1of2 GHM

Order: 19

Horizontal side: 264 Vertical side: 264

Elements: 2, 2√2, 4, 4√2, 6, 7√2, 13√2, 26, 20√2, 40, 46, 46√2, 86, 92, 86√2, 92√2, 132, 172, 132√2.

Code: 1725 0 92 1324 132 132 1323 264 132 401 172 132 202 192 112 464 218 86 463 264 86 136 179 99 265 192 86 70 179 99 925 0 0 924 92 0 20 184 92 21 186 92 65 186 86 40 182 90 41 186 90 860 178 86 861 264 86

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)

172
132√2
132
40
20√2
46√2
46
13√2
26
7√2
92
92√2
2√2
2
6
4√2
4
86√2
86