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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:73AA2of4 GHM

Order: 18

Horizontal side: 73 Vertical side: 73

Elements: 2√2, 4√2, 5√2, 10, 10√2, 15, 19, 20, 15√2, 23, 19√2, 27, 30, 31, 23√2, 35, 25√2, 27√2.

Code: 357 0 73 203 35 53 102 45 63 194 54 54 193 73 54 103 45 53 52 50 58 40 50 58 313 46 23 277 46 54 276 46 27 156 0 38 307 15 53 155 0 23 22 48 25 250 48 25 235 0 0 234 23 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)

35
20
10√2
19√2
19
10
5√2
4√2
31
27
27√2
15√2
30
15
2√2
25√2
23
23√2