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

Non-ultraperfect Perfect Isosceles Right Triangled Square

Title: _ 10:15PB4of4

Order: 10

Horizontal side: 15 Vertical side: 15

Elements: 1, 1√2, 2, 3, 4, 3√2, 5, 5√2, 10, 15.

Code: 157 0 15 103 15 5 50 5 5 41 9 5 35 9 2 34 12 2 53 15 0 17 9 2 16 9 1 27 10 2

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)

15
10
5√2
4
3
3√2
5
1
1√2
2