横向
1
Longest side of a right triangle
4
Sum divided by count
7
Line crossing from corner to corner
8
Round shape with all points equidistant
10
Result of multiplication
12
Parts per hundred
纵向
2
Corner point of a polygon
3
Split into equal parts
5
Closed shape with straight sides
6
Repeated addition
9
Distance from center to edge of circle
11
Amount of space an object occupies
13
Mathematical statement of equality