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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142CC GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 2√2, 4, 4√2, 6√2, 10, 12, 17, 20, 24, 17√2, 34, 27√2, 44, 32√2, 54, 44√2, 71, 98, 71√2.

Code: 985 0 44 714 71 71 713 142 71 274 98 44 170 125 71 171 142 71 103 108 44 347 108 54 543 142 0 447 0 44 440 44 44 324 76 12 243 108 20 26 82 18 47 84 20 46 84 16 207 88 20 60 82 18 121 88 12

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
71√2
71
27√2
17√2
17
10
34
54
44
44√2
32√2
24
2√2
4
4√2
20
6√2
12