横向
1
Total distance around a shape
6
Line crossing from corner to corner
7
Exact correspondence on both sides
9
Space between two intersecting lines
11
Part of a line with two endpoints
12
Visual representation of data
13
Round shape with all points equidistant
14
Distance from center to edge of circle
15
Number less than zero
纵向
2
Number that divides evenly into another
3
Longest side of a right triangle
4
Mathematical statement of equality
5
Line segment connecting two circle points
8
Result of addition
10
Middle value in an ordered dataset