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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:162AU GHM

Order: 19

Horizontal side: 162 Vertical side: 162

Elements: 1, 1√2, 2, 2√2, 9√2, 14, 11√2, 14√2, 21, 28, 21√2, 39, 42, 60, 51√2, 81, 60√2, 102, 81√2.

Code: 1025 0 60 814 81 81 813 162 81 214 102 60 213 123 60 112 134 70 391 162 81 146 120 56 285 134 42 605 0 0 604 60 0 96 111 51 22 122 58 21 122 60 12 123 59 11 123 60 145 120 42 510 111 51 421 162 42

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)

102
81√2
81
21√2
21
11√2
39
14√2
28
60
60√2
9√2
2√2
2
1√2
1
14
51√2
42