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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142CF GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 4√2, 8, 9, 7√2, 8√2, 16, 17, 16√2, 17√2, 25, 34, 27√2, 40, 44, 54, 44√2, 71, 98, 71√2.

Code: 985 0 44 714 71 71 713 142 71 274 98 44 343 125 37 172 142 54 171 142 71 543 142 0 447 0 44 440 44 44 401 84 44 162 100 28 74 91 37 91 100 37 257 100 37 163 100 12 85 84 4 84 92 4 44 88 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)

98
71√2
71
27√2
34
17√2
17
54
44
44√2
40
16√2
7√2
9
25
16
8
8√2
4√2