横向
1
Round shape with all points equidistant
5
Part of a line with two endpoints
6
Line touching circle at one point
9
Steepness of a line
10
Closed shape with straight sides
纵向
2
Three-sided polygon
3
Middle value in an ordered dataset
4
Parts per hundred
5
Collection of distinct elements
7
Amount of space an object occupies
8
Corner point of a polygon