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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:105AG GHM

Order: 19

Horizontal side: 105 Vertical side: 105

Elements: 4, 4√2, 8, 9, 8√2, 12√2, 18, 20, 18√2, 28, 20√2, 29, 38, 28√2, 29√2, 47, 38√2, 58, 67.

Code: 677 0 105 473 67 58 387 67 105 386 67 67 95 67 58 206 0 38 285 20 30 284 48 30 583 76 0 292 105 29 205 0 18 47 20 30 40 24 30 124 36 18 293 105 0 87 20 26 80 28 26 185 0 0 184 18 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)

67
47
38
38√2
9
20√2
28
28√2
58
29√2
20
4
4√2
12√2
29
8
8√2
18
18√2