Across
1
Amount of space an object occupies
3
Part of a circle's circumference
5
Number divisible only by 1 and itself
6
Difference between highest and lowest values
7
Collection of distinct elements
8
Line segment connecting two circle points
9
Single numeral from 0 to 9
Down
1
Corner point of a polygon
2
Comparison of two quantities
3
Space between two intersecting lines
4
Mathematical rule or equation
5
Closed shape with straight sides