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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AE GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 8√2, 12√2, 24, 17√2, 28, 20√2, 24√2, 34, 28√2, 31√2, 48, 34√2, 56, 63, 87, 111, 87√2, 135, 111√2.

Code: 1355 0 87 1114 111 111 1113 222 111 244 135 87 243 159 87 122 171 99 631 222 111 206 151 79 342 205 65 877 0 87 870 87 87 561 143 87 282 171 59 84 151 79 343 205 31 172 222 48 283 171 31 483 222 0 314 174 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)

135
111√2
111
24√2
24
12√2
63
20√2
34√2
87
87√2
56
28√2
8√2
34
17√2
28
48
31√2