Across
1
Number that divides evenly into another
3
Closed shape with straight sides
4
Part of a line with two endpoints
5
Divisible by two
9
The number representing nothing
11
Line segment connecting two circle points
12
Result of addition
13
Visual representation of data
Down
2
Corner point of a polygon
3
Number divisible only by 1 and itself
4
Steepness of a line
6
Proven mathematical statement
7
Lines that never intersect
8
Result of multiplication
10
Split into equal parts