Across
1
Visual representation of data
4
Split into equal parts
5
Space between two intersecting lines
6
Three-sided polygon
9
Result of multiplication
11
The number representing nothing
12
Number that divides evenly into another
Down
2
Part of a line with two endpoints
3
Line touching circle at one point
7
Proven mathematical statement
8
Number less than zero
10
Single numeral from 0 to 9