横向
1
Line segment connecting two circle points
4
Collection of distinct elements
6
Amount of space an object occupies
7
Repeated addition
8
Middle value in an ordered dataset
纵向
2
Closed shape with straight sides
3
Distance from center to edge of circle
5
Part of a circle's circumference
6
Corner point of a polygon
9
Space between two intersecting lines
10
Line crossing from corner to corner