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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:72AG GHM

Order: 19

Horizontal side: 72 Vertical side: 72

Elements: 1√2, 3√2, 4√2, 6, 5√2, 8, 6√2, 10, 12, 10√2, 16, 20, 15√2, 16√2, 26, 36, 26√2, 46, 36√2.

Code: 465 0 26 364 36 36 363 72 36 104 46 26 103 56 26 162 72 20 161 72 36 267 0 26 260 26 26 154 41 11 123 56 14 203 72 0 36 41 11 65 44 8 64 50 8 56 51 9 10 51 9 81 52 8 42 56 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)

46
36√2
36
10√2
10
16√2
16
26
26√2
15√2
12
20
3√2
6
6√2
5√2
1√2
8
4√2