Across
1
Mathematical statement of equality
5
Total distance around a shape
9
Rectangular array of numbers
10
Round shape with all points equidistant
11
Number greater than zero
12
Part of a circle's circumference
13
Collection of distinct elements
14
Reference line in a graph
Down
2
Comparison of two quantities
3
Distance from center to edge of circle
4
Steepness of a line
6
Sum divided by count
7
Lines that never intersect
8
Middle value in an ordered dataset