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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:208AL GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 6√2, 9√2, 18, 14√2, 15√2, 18√2, 28, 21√2, 27√2, 28√2, 42, 48, 56, 62, 83, 104, 83√2, 125, 104√2.

Code: 1255 0 83 1044 104 104 1043 208 104 214 125 83 156 131 89 485 146 56 621 208 104 60 131 89 837 0 83 830 83 83 274 110 56 90 137 83 180 128 74 181 146 74 561 166 56 282 194 28 281 194 56 142 208 42 423 208 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)

125
104√2
104
21√2
15√2
48
62
6√2
83
83√2
27√2
9√2
18√2
18
56
28√2
28
14√2
42