Across
1
Collection of distinct elements
3
Corner point of a polygon
5
Line crossing from corner to corner
7
Comparison of two quantities
11
Space between two intersecting lines
12
Visual representation of data
Down
2
Rectangular array of numbers
4
System of ordered marks for measuring
6
Total distance around a shape
8
Line touching circle at one point
9
Mathematical statement of equality
10
Number greater than zero