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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144CE GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 2, 10, 12, 11√2, 12√2, 14√2, 20, 22, 24, 20√2, 21√2, 26√2, 40, 46, 52, 46√2, 72, 98, 72√2.

Code: 985 0 46 724 72 72 723 144 72 264 98 46 403 124 32 202 144 52 201 144 72 523 144 0 467 0 46 460 46 46 241 70 46 122 82 34 144 84 32 123 82 22 25 82 32 105 82 22 214 103 11 221 92 22 112 103 11

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)

98
72√2
72
26√2
40
20√2
20
52
46
46√2
24
12√2
14√2
12
2
10
21√2
22
11√2