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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148BK GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 9, 10, 13, 10√2, 11√2, 13√2, 20, 21, 22, 26, 30, 31, 26√2, 48, 61, 74, 61√2, 87, 74√2.

Code: 875 0 61 744 74 74 743 148 74 134 87 61 133 100 61 225 100 52 481 148 74 617 0 61 610 61 61 301 91 61 205 91 41 91 100 61 114 111 41 213 122 31 262 148 26 105 91 31 104 101 31 311 122 31 263 148 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)

87
74√2
74
13√2
13
22
48
61
61√2
30
20
9
11√2
21
26√2
10
10√2
31
26