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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AN GHM

Order: 19

Horizontal side: 172 Vertical side: 172

Elements: 10, 10√2, 12√2, 20, 24, 30, 24√2, 25√2, 36, 38, 30√2, 48, 50, 38√2, 49√2, 74, 86, 98, 86√2.

Code: 985 0 74 864 86 86 863 172 86 244 110 62 363 134 50 382 172 48 381 172 86 745 0 0 494 49 25 243 98 50 122 110 62 256 49 25 505 74 0 304 104 20 303 134 20 483 172 0 201 124 20 102 134 10 101 134 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)

98
86√2
86
24√2
36
38√2
38
74
49√2
24
12√2
25√2
50
30√2
30
48
20
10√2
10