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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:116BA GHM

Order: 19

Horizontal side: 116 Vertical side: 116

Elements: 3√2, 6, 6√2, 9√2, 10√2, 18, 14√2, 20, 28, 20√2, 30, 38, 28√2, 40, 48, 34√2, 38√2, 68, 78.

Code: 785 0 38 681 68 116 342 102 82 481 116 116 140 102 82 203 88 48 282 116 40 281 116 68 104 78 38 303 88 18 403 116 0 387 0 38 380 38 38 204 58 18 181 76 18 92 85 9 64 82 12 63 88 12 34 85 9

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)

78
68
34√2
48
14√2
20
28√2
28
10√2
30
40
38
38√2
20√2
18
9√2
6√2
6
3√2