Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:79AB GHM

Order: 18

Horizontal side: 79 Vertical side: 79

Elements: 5√2, 10, 11, 11√2, 16, 20, 22, 16√2, 23, 24, 20√2, 32, 23√2, 33, 24√2, 35, 36, 28√2.

Code: 357 0 79 240 35 79 241 59 79 202 79 59 201 79 79 363 79 23 116 0 44 225 11 33 321 43 55 162 59 39 161 59 55 115 0 33 337 0 33 56 28 28 105 33 23 280 28 28 234 56 0 233 79 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)

35
24√2
24
20√2
20
36
11√2
22
32
16√2
16
11
33
5√2
10
28√2
23√2
23