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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:112AV GHM

Order: 18

Horizontal side: 112 Vertical side: 112

Elements: 2, 2√2, 5, 5√2, 10, 15, 15√2, 26, 28, 30, 26√2, 27√2, 28√2, 30√2, 54, 56, 58, 56√2.

Code: 587 0 112 276 31 85 547 58 112 566 56 56 56 26 80 105 31 75 266 0 54 55 26 75 157 26 75 150 41 75 307 26 60 306 26 30 22 58 58 565 56 0 265 0 28 25 26 28 287 0 28 280 28 28

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)

58
27√2
54
56√2
5√2
10
26√2
5
15
15√2
30
30√2
2√2
56
26
2
28
28√2