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

Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:66AL4of4 GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 2, 2√2, 4, 4√2, 8, 7√2, 10, 8√2, 13, 14, 10√2, 16, 13√2, 20, 23, 23√2, 33, 43, 33√2.

Code: 435 0 23 334 33 33 333 66 33 104 43 23 103 53 23 132 66 20 131 66 33 237 0 23 230 23 23 161 39 23 147 39 23 86 45 15 203 66 0 46 41 11 85 45 7 26 39 9 45 41 7 25 39 7 74 46 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)

43
33√2
33
10√2
10
13√2
13
23
23√2
16
14
8√2
20
4√2
8
2√2
4
2
7√2