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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:288AK GHM

Order: 19

Horizontal side: 288 Vertical side: 288

Elements: 6√2, 12, 12√2, 18, 18√2, 34, 42, 34√2, 35√2, 41√2, 42√2, 68, 76, 68√2, 110, 144, 110√2, 178, 144√2.

Code: 1785 0 110 1444 144 144 1443 288 144 344 178 110 343 212 110 352 247 109 761 288 144 1107 0 110 1100 110 110 424 152 68 423 194 68 187 194 110 186 194 92 410 247 109 122 206 80 123 206 68 62 212 74 684 220 0 683 288 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)

178
144√2
144
34√2
34
35√2
76
110
110√2
42√2
42
18
18√2
41√2
12√2
12
6√2
68√2
68