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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AR GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 8, 6√2, 8√2, 12, 11√2, 12√2, 22, 24, 19√2, 30, 22√2, 36, 38, 38√2, 42√2, 60, 68, 76, 68√2.

Code: 765 0 60 684 68 68 683 136 68 84 76 60 83 84 60 222 106 46 221 106 68 112 117 57 301 136 68 605 0 0 424 42 18 363 84 24 190 117 57 380 98 38 381 136 38 66 42 18 127 48 24 126 48 12 247 60 24

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)

76
68√2
68
8√2
8
22√2
22
11√2
30
60
42√2
36
19√2
38√2
38
6√2
12
12√2
24