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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:54AO GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 2, 2√2, 4, 4√2, 6, 8, 6√2, 9, 7√2, 11, 8√2, 14, 15, 16, 19, 19√2, 27, 35, 27√2.

Code: 355 0 19 274 27 27 273 54 27 84 35 19 83 43 19 42 47 23 111 54 27 70 47 23 197 0 19 190 19 19 151 34 19 97 34 19 66 34 10 147 40 16 163 54 0 65 34 4 41 38 4 22 40 2 21 40 4

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)

35
27√2
27
8√2
8
4√2
11
7√2
19
19√2
15
9
6√2
14
16
6
4
2√2
2