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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CK1of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 2, 2√2, 4, 6, 6√2, 12, 10√2, 12√2, 17, 17√2, 22√2, 34, 27√2, 39, 44, 39√2, 61, 83, 61√2.

Code: 835 0 39 614 61 61 613 122 61 224 83 39 343 105 27 172 122 44 171 122 61 443 122 0 397 0 39 390 39 39 104 49 29 66 53 33 125 59 27 124 71 27 43 53 29 65 53 27 24 51 27 23 53 27 274 78 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)

83
61√2
61
22√2
34
17√2
17
44
39
39√2
10√2
6√2
12
12√2
4
6
2√2
2
27√2