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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:207AA GHM

Order: 19

Horizontal side: 207 Vertical side: 207

Elements: 3√2, 6, 7, 6√2, 9, 7√2, 9√2, 14, 18, 21√2, 55, 69, 76, 55√2, 83, 69√2, 76√2, 131, 138.

Code: 1385 0 69 1311 131 207 767 131 207 766 131 131 212 152 110 183 152 92 552 207 55 30 134 92 94 143 83 93 152 83 67 131 89 60 137 89 77 131 83 76 131 76 147 138 83 833 152 0 695 0 0 694 69 0 553 207 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)

138
131
76
76√2
21√2
18
55√2
3√2
9√2
9
6
6√2
7
7√2
14
83
69
69√2
55