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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:104CD GHM

Order: 19

Horizontal side: 104 Vertical side: 104

Elements: 4, 4√2, 7, 8, 6√2, 8√2, 16, 20, 15√2, 22, 23, 24, 30, 22√2, 37, 52, 37√2, 67, 52√2.

Code: 675 0 37 524 52 52 523 104 52 154 67 37 220 82 52 221 104 52 377 0 37 370 37 37 231 60 37 77 60 37 165 60 14 201 80 30 247 80 30 303 104 0 84 68 6 83 76 6 42 80 10 43 80 6 64 74 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)

67
52√2
52
15√2
22√2
22
37
37√2
23
7
16
20
24
30
8√2
8
4√2
4
6√2