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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122BY GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1√2, 2, 2√2, 3√2, 5√2, 10, 13√2, 14√2, 20, 24, 17√2, 34, 27√2, 44, 34√2, 39√2, 44√2, 78, 61√2.

Code: 785 0 44 614 61 61 276 95 95 343 95 61 142 109 81 130 109 81 16 95 67 27 96 68 26 96 66 247 98 68 346 88 34 32 98 64 203 98 44 174 78 44 445 0 0 444 44 0 56 83 39 107 88 44 390 83 39

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)

78
61√2
27√2
34
14√2
13√2
1√2
2
2√2
24
34√2
3√2
20
17√2
44
44√2
5√2
10
39√2