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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108AY GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 5√2, 8, 10, 8√2, 12, 20, 22, 24, 28, 22√2, 36, 27√2, 44, 32√2, 54, 64, 54√2.

Code: 645 0 44 544 54 54 543 108 54 101 64 54 225 64 32 224 86 32 276 81 27 445 0 0 361 36 44 287 36 44 243 64 20 127 64 32 320 76 32 54 81 27 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
22
22√2
27√2
44
36
28
24
12
32√2
5√2
4√2
4
20
8
8√2