Across
1
Line segment connecting two circle points
3
Collection of distinct elements
5
Three-sided polygon
8
Comparison of two quantities
9
Repeated addition
Down
2
Parts per hundred
4
Proven mathematical statement
6
Distance from center to edge of circle
7
Sum divided by count
8
Difference between highest and lowest values
10
Math using letters for unknown values
11
Part of a line with two endpoints
12
Reference line in a graph