Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:208AH JDS

Order: 18

Horizontal side: 208 Vertical side: 208

Elements: 4, 4√2, 8, 7√2, 8√2, 14, 16, 14√2, 16√2, 32, 44√2, 74, 60√2, 88, 67√2, 74√2, 134, 104√2.

Code: 1345 0 74 1044 104 104 883 208 120 166 104 104 325 120 88 444 164 76 606 148 60 144 134 74 143 148 74 47 148 88 40 152 88 87 148 84 80 156 84 167 148 76 745 0 0 744 74 0 76 141 67 670 141 67

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)

134
104√2
88
16√2
32
44√2
60√2
14√2
14
4
4√2
8
8√2
16
74
74√2
7√2
67√2