Across
1
Mathematical rule or equation
4
Difference between highest and lowest values
6
Line segment connecting two circle points
7
Line touching circle at one point
9
Proven mathematical statement
Down
1
Number that divides evenly into another
2
Rectangular array of numbers
3
Line crossing from corner to corner
5
Longest side of a right triangle
8
Mathematical statement of equality
10
Space between two intersecting lines
11
Three-sided polygon