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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AK GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 4√2, 8, 8√2, 16, 16√2, 17√2, 34, 28√2, 44, 34√2, 55, 39√2, 56, 44√2, 83, 111, 83√2, 139, 111√2.

Code: 1395 0 83 1114 111 111 1113 222 111 284 139 83 40 167 111 551 222 111 80 163 107 81 171 107 342 205 73 160 155 99 161 171 99 837 0 83 830 83 83 444 127 39 443 171 39 343 205 39 172 222 56 563 222 0 394 166 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)

139
111√2
111
28√2
4√2
55
8√2
8
34√2
16√2
16
83
83√2
44√2
44
34
17√2
56
39√2