Across
1
Visual representation of data
4
Split into equal parts
5
Exact correspondence on both sides
6
Amount of space an object occupies
7
Number that divides evenly into another
Down
2
Closed shape with straight sides
3
Symbol representing unknown value
8
Part of a circle's circumference
9
Distance from center to edge of circle
10
Rectangular array of numbers
11
Corner point of a polygon
12
Difference between highest and lowest values
13
Reference line in a graph