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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:156BV GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 1√2, 7, 7√2, 14, 10√2, 13√2, 20, 21, 20√2, 22√2, 34, 44, 46, 34√2, 56, 78, 56√2, 100, 78√2.

Code: 1005 0 56 784 78 78 783 156 78 224 100 56 213 122 57 342 156 44 341 156 78 10 101 57 141 115 57 72 122 50 71 122 57 567 0 56 560 56 56 461 102 56 132 115 43 206 102 30 443 156 0 205 102 10 104 112 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)

100
78√2
78
22√2
21
34√2
34
1√2
14
7√2
7
56
56√2
46
13√2
20√2
44
20
10√2