Across
1
Part of a line with two endpoints
3
Line segment connecting two circle points
5
Line touching circle at one point
9
Reference line in a graph
10
Amount of space an object occupies
Down
1
Exact correspondence on both sides
2
Difference between highest and lowest values
3
Round shape with all points equidistant
4
Number that divides evenly into another
6
Power to which a number is raised
7
Longest side of a right triangle
8
Visual representation of data
11
Sum divided by count
12
System of ordered marks for measuring