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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108AU GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 5√2, 8, 10, 8√2, 17, 20, 24, 17√2, 27, 28, 36, 27√2, 44, 32√2, 54, 64, 54√2.

Code: 645 0 44 544 54 54 543 108 54 101 64 54 172 81 37 171 81 54 277 81 54 276 81 27 445 0 0 361 36 44 287 36 44 243 64 20 56 76 32 320 76 32 40 40 20 41 44 20 207 44 20 87 36 16 86 36 8

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)

64
54√2
54
10
17√2
17
27
27√2
44
36
28
24
5√2
32√2
4√2
4
20
8
8√2