横向
1
Exact correspondence on both sides
5
Space between two intersecting lines
6
Comparison of two quantities
7
Proven mathematical statement
9
Difference between highest and lowest values
13
Line segment connecting two circle points
纵向
2
Part of a circle's circumference
3
Distance from center to edge of circle
4
Mathematical statement of equality
8
Rectangle with four equal sides
10
Number with digits after a point
11
Middle value in an ordered dataset
12
Round shape with all points equidistant