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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:95AA GHM

Order: 18

Horizontal side: 95 Vertical side: 95

Elements: 4√2, 7, 8, 8√2, 14, 12√2, 14√2, 20, 24, 27, 20√2, 24√2, 34, 27√2, 41, 34√2, 54, 61.

Code: 617 0 95 413 61 54 347 61 95 346 61 61 75 61 54 206 0 34 245 20 30 244 44 30 543 68 0 272 95 27 205 0 14 82 28 22 124 32 18 273 95 0 83 28 14 42 32 18 145 0 0 144 14 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)

61
41
34
34√2
7
20√2
24
24√2
54
27√2
20
8√2
12√2
27
8
4√2
14
14√2