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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:76BR GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 2√2, 4, 4√2, 5√2, 6√2, 9, 10, 8√2, 9√2, 10√2, 19, 20, 18√2, 19√2, 28, 24√2, 38, 48, 38√2.

Code: 485 0 28 384 38 38 383 76 38 101 48 38 92 57 29 91 57 38 197 57 38 196 57 19 56 52 24 285 0 0 184 18 10 80 36 28 64 42 22 46 44 24 26 42 22 45 44 20 240 52 24 106 18 10 207 28 20

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)

48
38√2
38
10
9√2
9
19
19√2
5√2
28
18√2
8√2
6√2
4√2
2√2
4
24√2
10√2
20