Across
1
Corner point of a polygon
3
Closed shape with straight sides
5
Three-sided polygon
11
Difference between highest and lowest values
12
Visual representation of data
13
Space between two intersecting lines
Down
2
Proven mathematical statement
3
Number greater than zero
4
Line segment connecting two circle points
6
Total distance around a shape
7
Number with digits after a point
8
Part of a circle's circumference
9
Math using letters for unknown values
10
Power to which a number is raised