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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:130AH2of4 GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 12, 12√2, 20, 15√2, 24, 18√2, 20√2, 30, 24√2, 26√2, 40, 42, 30√2, 48, 40√2, 60, 44√2, 45√2, 70.

Code: 705 0 60 444 44 86 180 88 130 421 130 130 266 44 86 127 70 112 126 70 100 247 82 112 240 106 112 202 90 80 481 130 88 203 90 60 402 130 40 302 30 30 454 45 15 603 90 0 403 130 0 303 30 0 152 45 15

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)

70
44√2
18√2
42
26√2
12
12√2
24
24√2
20√2
48
20
40√2
30√2
45√2
60
40
30
15√2