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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:79AA GHM

Order: 18

Horizontal side: 79 Vertical side: 79

Elements: 2√2, 4, 5, 5√2, 15, 17, 21, 15√2, 23, 17√2, 26, 28, 30, 23√2, 34, 28√2, 41, 32√2.

Code: 345 0 45 324 32 47 303 64 49 152 79 64 151 79 79 413 79 23 26 32 47 47 34 49 213 38 28 267 38 49 175 0 28 174 17 28 287 0 28 280 28 28 54 33 23 53 38 23 234 56 0 233 79 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)

34
32√2
30
15√2
15
41
2√2
4
21
26
17
17√2
28
28√2
5√2
5
23√2
23