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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:152AD1of4 GHM

Order: 18

Horizontal side: 152 Vertical side: 152

Elements: 10√2, 20, 22, 24, 19√2, 20√2, 30, 22√2, 38, 30√2, 44, 46, 38√2, 54, 46√2, 76, 57√2, 76√2.

Code: 765 0 76 764 76 76 576 95 95 190 95 95 227 0 76 220 22 76 464 68 30 463 114 30 382 152 38 545 0 0 441 44 54 245 44 30 383 152 0 205 44 10 204 64 10 300 84 30 301 114 30 104 54 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)

76
76√2
57√2
19√2
22
22√2
46√2
46
38√2
54
44
24
38
20
20√2
30√2
30
10√2