横向
1
Steepness of a line
4
Middle value in an ordered dataset
5
Line crossing from corner to corner
6
Symbol representing unknown value
8
Line touching circle at one point
纵向
1
Part of a line with two endpoints
2
Space between two intersecting lines
3
Result of multiplication
7
Longest side of a right triangle
9
Total distance around a shape
10
Reference line in a graph