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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:67AB GHM

Order: 19

Horizontal side: 67 Vertical side: 67

Elements: 6, 7, 6√2, 9, 9√2, 13, 14, 18, 13√2, 19, 14√2, 22, 26, 19√2, 27, 20√2, 31, 22√2, 27√2.

Code: 317 0 67 220 31 67 221 53 67 142 67 53 141 67 67 206 47 33 96 0 36 185 9 27 194 28 26 193 47 26 62 53 39 61 53 45 95 0 27 75 47 26 277 0 27 270 27 27 261 54 26 132 67 13 133 67 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)

31
22√2
22
14√2
14
20√2
9√2
18
19√2
19
6√2
6
9
7
27
27√2
26
13√2
13