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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:84AE GHM

Order: 19

Horizontal side: 84 Vertical side: 84

Elements: 1, 1√2, 2, 3, 4, 10, 14, 12√2, 14√2, 20, 24, 19√2, 28, 20√2, 21√2, 40, 42, 32√2, 42√2.

Code: 425 0 42 424 42 42 326 52 52 103 52 42 122 64 40 212 21 21 194 19 23 140 38 42 141 52 42 403 64 0 202 84 20 43 24 24 287 24 28 10 20 24 11 21 24 37 21 24 243 24 0 21 21 23 203 84 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)

42
42√2
32√2
10
12√2
21√2
19√2
14√2
14
40
20√2
4
28
1√2
1
3
24
2
20