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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:88AS GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 9, 8√2, 9√2, 13, 14, 10√2, 11√2, 16, 18, 13√2, 14√2, 20, 28, 32, 36, 26√2, 28√2, 52, 44√2.

Code: 525 0 36 444 44 44 286 60 60 163 60 44 285 60 32 84 52 36 136 47 31 365 0 0 264 26 10 145 60 18 144 74 18 323 88 0 116 36 20 135 47 18 106 26 10 205 36 0 97 47 18 96 47 9 187 56 18

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)

52
44√2
28√2
16
28
8√2
13√2
36
26√2
14
14√2
32
11√2
13
10√2
20
9
9√2
18