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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:110AA GHM

Order: 18

Horizontal side: 110 Vertical side: 110

Elements: 7√2, 13, 16, 20, 16√2, 26, 27, 28, 20√2, 36, 26√2, 27√2, 28√2, 42, 34√2, 56, 41√2, 42√2.

Code: 425 0 68 424 42 68 260 84 110 261 110 110 160 58 84 161 74 84 367 74 84 563 110 28 342 34 34 274 27 41 273 54 41 202 74 48 201 74 68 74 34 34 410 41 41 131 54 41 284 82 0 283 110 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)

42
42√2
26√2
26
16√2
16
36
56
34√2
27√2
27
20√2
20
7√2
41√2
13
28√2
28