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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:194BQ GHM

Order: 19

Horizontal side: 194 Vertical side: 194

Elements: 2, 2√2, 4, 4√2, 10, 12, 14, 18, 22, 32, 27√2, 32√2, 54, 76, 54√2, 86, 81√2, 86√2, 140.

Code: 1407 0 194 320 140 194 321 172 194 185 172 176 221 194 194 147 172 176 26 184 174 47 186 176 40 190 176 123 184 162 25 184 172 107 184 172 866 108 86 816 27 81 767 108 162 865 108 0 270 27 81 547 0 54 540 54 54

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)

140
32√2
32
18
22
14
2√2
4
4√2
12
2
10
86√2
81√2
76
86
27√2
54
54√2