横向
1
Number with digits after a point
2
Part of a circle's circumference
4
Part of a whole number
5
Longest side of a right triangle
10
The number representing nothing
纵向
2
Space between two intersecting lines
3
Part of a line with two endpoints
6
Lines that never intersect
7
Distance from center to edge of circle
8
Number that divides evenly into another
9
Rectangle with four equal sides