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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:80AN GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 3√2, 6, 8, 10, 8√2, 12, 10√2, 16, 12√2, 14√2, 20, 17√2, 18√2, 26, 20√2, 34, 40, 46, 40√2.

Code: 465 0 34 404 40 40 403 80 40 61 46 40 142 60 26 174 63 23 206 60 20 345 0 0 184 18 16 100 36 34 101 46 34 263 60 0 32 63 23 80 26 24 81 34 24 122 46 12 121 46 24 205 60 0 161 34 16

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
40√2
40
6
14√2
17√2
20√2
34
18√2
10√2
10
26
3√2
8√2
8
12√2
12
20
16