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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:120BA2of4 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 5, 6, 5√2, 6√2, 9, 7√2, 10, 8√2, 12, 9√2, 16, 32, 40, 32√2, 48, 40√2, 44√2, 80, 60√2.

Code: 805 0 40 604 60 60 446 76 76 70 76 76 90 69 69 91 78 69 57 78 69 50 83 69 107 78 64 163 88 48 322 120 32 121 72 60 62 78 54 61 78 60 84 80 40 483 88 0 405 0 0 404 40 0 323 120 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)

80
60√2
44√2
7√2
9√2
9
5
5√2
10
16
32√2
12
6√2
6
8√2
48
40
40√2
32