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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:80AL GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 3√2, 6, 8, 10, 8√2, 12, 14, 10√2, 16, 12√2, 14√2, 20, 18√2, 20√2, 23√2, 34, 40, 46, 40√2.

Code: 465 0 34 404 40 40 403 80 40 61 46 40 142 60 26 141 60 40 207 60 40 206 60 20 345 0 0 184 18 16 100 36 34 101 46 34 36 57 23 80 26 24 81 34 24 122 46 12 121 46 24 230 57 23 161 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
14
20
20√2
34
18√2
10√2
10
3√2
8√2
8
12√2
12
23√2
16