Across
1
Line touching circle at one point
5
Distance from center to edge of circle
7
Sum divided by count
8
Result of addition
Down
2
Reference line in a graph
3
Part of a line with two endpoints
4
Longest side of a right triangle
6
Middle value in an ordered dataset
9
Comparison of two quantities
10
Value that does not change
11
Line crossing from corner to corner
12
Number divisible only by 1 and itself