Across
1
Number divisible only by 1 and itself
2
Result of addition
4
Amount of space an object occupies
5
Space between two intersecting lines
8
Line segment connecting two circle points
9
Proven mathematical statement
Down
2
Collection of distinct elements
3
Steepness of a line
6
Repeated addition
7
Split into equal parts
10
Number that divides evenly into another