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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:148BL1of2 GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 7√2, 8√2, 14, 16, 12√2, 16√2, 24, 20√2, 30, 23√2, 28√2, 30√2, 44, 32√2, 60, 44√2, 74, 88, 74√2.

Code: 885 0 60 744 74 74 743 148 74 141 88 74 72 95 67 304 118 44 303 148 44 230 95 67 605 0 0 324 32 28 126 52 48 247 64 60 200 52 48 86 64 36 165 72 28 164 88 28 440 104 44 441 148 44 284 60 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)

88
74√2
74
14
7√2
30√2
30
23√2
60
32√2
12√2
24
20√2
8√2
16
16√2
44√2
44
28√2