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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:84AL3of4 GHM

Order: 19

Horizontal side: 84 Vertical side: 84

Elements: 2√2, 4, 5, 4√2, 6, 5√2, 8, 10, 8√2, 14, 10√2, 15, 20, 32, 37, 42, 47, 37√2, 42√2.

Code: 475 0 37 424 42 42 423 84 42 54 47 37 53 52 37 205 52 22 321 84 42 377 0 37 370 37 37 151 52 37 84 60 14 83 68 14 42 72 18 41 72 22 22 74 20 63 74 14 102 84 10 141 74 14 103 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)

47
42√2
42
5√2
5
20
32
37
37√2
15
8√2
8
4√2
4
2√2
6
10√2
14
10