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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:152AK GHM

Order: 18

Horizontal side: 152 Vertical side: 152

Elements: 4, 4√2, 8, 8√2, 14√2, 17√2, 28, 34, 26√2, 30√2, 48, 34√2, 56, 62, 45√2, 48√2, 90, 76√2.

Code: 905 0 62 764 76 76 486 104 104 283 104 76 485 104 56 144 90 62 86 96 68 346 62 34 85 96 60 625 0 0 454 45 17 302 126 30 44 100 56 43 104 56 264 126 30 563 152 0 176 45 17 345 62 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)

90
76√2
48√2
28
48
14√2
8√2
34√2
8
62
45√2
30√2
4√2
4
26√2
56
17√2
34