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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:115AH GHM

Order: 19

Horizontal side: 115 Vertical side: 115

Elements: 14, 10√2, 14√2, 20, 21, 15√2, 17√2, 28, 20√2, 21√2, 30, 28√2, 40, 30√2, 32√2, 55, 56, 40√2, 45√2.

Code: 557 0 115 450 55 115 304 85 85 303 115 85 154 100 70 326 83 53 100 10 70 561 66 70 282 94 42 174 83 53 207 0 60 200 20 60 283 94 14 212 115 21 407 0 40 400 40 40 213 115 0 144 80 0 143 94 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)

55
45√2
30√2
30
15√2
32√2
10√2
56
28√2
17√2
20
20√2
28
21√2
40
40√2
21
14√2
14