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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:114BI GHM

Order: 19

Horizontal side: 114 Vertical side: 114

Elements: 4, 4√2, 6, 5√2, 8, 9√2, 13√2, 14√2, 23, 17√2, 26, 21√2, 23√2, 34, 40, 40√2, 57, 74, 57√2.

Code: 745 0 40 574 57 57 573 114 57 174 74 40 230 91 57 231 114 57 407 0 40 400 40 40 144 54 26 56 63 35 67 68 40 90 63 35 47 68 34 46 68 30 85 72 26 214 93 13 343 114 0 261 80 26 132 93 13

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)

74
57√2
57
17√2
23√2
23
40
40√2
14√2
5√2
6
9√2
4
4√2
8
21√2
34
26
13√2