Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:128AE GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 2√2, 6√2, 11, 12, 11√2, 18, 13√2, 15√2, 22, 24, 23√2, 24√2, 37, 46, 35√2, 58, 70, 52√2, 64√2.

Code: 705 0 58 644 64 64 526 76 76 123 76 64 152 91 61 64 70 58 183 76 46 136 78 48 375 91 24 585 0 0 354 35 23 20 78 48 236 35 23 465 58 0 221 80 46 112 91 35 113 91 24 244 104 0 243 128 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)

70
64√2
52√2
12
15√2
6√2
18
13√2
37
58
35√2
2√2
23√2
46
22
11√2
11
24√2
24