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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:83AA1of4 GHM

Order: 19

Horizontal side: 83 Vertical side: 83

Elements: 6√2, 9, 7√2, 12, 9√2, 14, 12√2, 18, 14√2, 23, 24, 18√2, 28, 32, 23√2, 36, 28√2, 30√2, 37√2.

Code: 372 37 46 304 30 53 230 60 83 231 83 83 76 30 53 147 37 60 60 51 60 321 83 60 363 45 18 127 45 54 120 57 54 247 45 42 140 69 42 280 55 28 281 83 28 96 0 9 185 9 0 184 27 0 95 0 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)

37√2
30√2
23√2
23
7√2
14
6√2
32
36
12
12√2
24
14√2
28√2
28
9√2
18
18√2
9