Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:100AN GHM

Order: 18

Horizontal side: 100 Vertical side: 100

Elements: 4, 3√2, 4√2, 6, 8, 8√2, 16, 25, 19√2, 28, 31, 22√2, 25√2, 28√2, 44, 50, 56, 50√2.

Code: 565 0 44 504 50 50 503 100 50 61 56 50 192 75 31 224 78 28 256 75 25 445 0 0 284 28 16 283 56 16 313 75 0 32 78 28 255 75 0 161 44 16 82 52 8 81 52 16 42 56 12 41 56 16

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)

56
50√2
50
6
19√2
22√2
25√2
44
28√2
28
31
3√2
25
16
8√2
8
4√2
4