Across
1
Part of a line with two endpoints
4
Value that does not change
5
Three-sided polygon
7
Reference line in a graph
10
Result of raising a number to an exponent
12
Line segment connecting two circle points
Down
2
Sum divided by count
3
Comparison of two quantities
6
Proven mathematical statement
8
Visual representation of data
9
Difference between highest and lowest values
11
Closed shape with straight sides