Squaring.net >> IRTS >> NPIRTSS >> Order 10

Non-ultraperfect Perfect Isosceles Right Triangled Square

Title: _ 10:20PB3of8

Order: 10

Horizontal side: 20 Vertical side: 20

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 7, 7√2, 13, 20.

Code: 207 0 20 133 20 7 36 4 4 67 7 7 70 13 7 71 20 7 43 4 0 22 6 2 23 6 0 12 7 1

The fact that every NPIRTS has a subdivided triangle is not recorded as a property. The properties below may precede order:side in a tiling's title:

Credit for Discovery

Jasper D. Skinner found many NPIRTS's before this catalogue was built by Geoffrey H. Morley. Only the two lowest order NPIRTS's are attributed to discoverers:

J. Douglas and E.P. Starke (D&S, United States) (7:10PA only)

Arthur H. Stone (AHS, United States, 1916-2000) (7:7PA only)

20
13
3√2
6
7√2
7
4
2√2
2
1√2