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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:84AP GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 1√2, 2, 2√2, 4, 6, 5√2, 10, 9√2, 14, 14√2, 26, 28, 32, 26√2, 28√2, 42, 35√2, 42√2.

Code: 425 0 42 424 42 42 323 84 52 103 52 42 52 57 47 61 58 52 267 58 52 266 58 26 10 57 47 43 56 42 22 58 44 21 58 46 96 49 35 285 0 14 284 28 14 350 49 35 145 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)

42
42√2
32
10
5√2
6
26
26√2
1√2
4
2√2
2
9√2
28
28√2
35√2
14
14√2