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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AF4of4 GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 1, 1√2, 2, 2√2, 4, 5, 4√2, 6, 7, 8, 7√2, 8√2, 12, 13, 16, 18, 20, 22, 18√2.

Code: 227 0 38 123 22 26 167 22 38 203 38 18 80 10 26 81 18 26 42 22 22 41 22 26 26 0 16 55 2 13 184 20 0 183 38 0 25 0 14 72 7 7 14 1 13 13 2 13 61 7 13 135 7 0 73 7 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)

22
12
16
20
8√2
8
4√2
4
2√2
5
18√2
18
2
7√2
1√2
1
6
13
7