Across
1
Exact correspondence on both sides
5
Number that divides evenly into another
8
Line crossing from corner to corner
9
Three-sided polygon
10
Math using letters for unknown values
11
Total distance around a shape
13
Corner point of a polygon
Down
2
Symbol representing unknown value
3
Distance from center to edge of circle
4
Visual representation of data
6
Mathematical rule or equation
7
Number less than zero
12
Middle value in an ordered dataset
14
Amount of space an object occupies