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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:136AS GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 2√2, 3, 4, 4√2, 6√2, 12, 9√2, 15, 12√2, 18, 18√2, 32, 36, 50, 59, 68, 77, 59√2, 68√2.

Code: 775 0 59 684 68 68 683 136 68 94 77 59 126 74 56 325 86 36 501 136 68 597 0 59 590 59 59 151 74 59 37 74 59 125 74 44 64 80 38 46 82 40 26 80 38 45 82 36 361 118 36 182 136 18 183 136 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)

77
68√2
68
9√2
12√2
32
50
59
59√2
15
3
12
6√2
4√2
2√2
4
36
18√2
18