Across
1
Parts per hundred
4
Line segment connecting two circle points
5
The number representing nothing
6
Split into equal parts
8
System of ordered marks for measuring
9
Reference line in a graph
10
Visual representation of data
11
Number with digits after a point
12
Result of multiplication
Down
1
Lines that never intersect
2
Part of a circle's circumference
3
Line touching circle at one point
4
Value that does not change
7
Mathematical statement of equality