Across
1
Comparison of two quantities
3
Middle value in an ordered dataset
7
Part of a line with two endpoints
8
Exact correspondence on both sides
10
Sum divided by count
11
Space between two intersecting lines
12
Rectangle with four equal sides
Down
2
Number greater than zero
4
Closed shape with straight sides
5
Lines that never intersect
6
Total distance around a shape
9
Divisible by two