Across
1
Space between two intersecting lines
2
Lines that never intersect
4
Middle value in an ordered dataset
5
Number less than zero
6
Line segment connecting two circle points
Down
2
Parts per hundred
3
Closed shape with straight sides
6
Round shape with all points equidistant
7
Number that divides evenly into another
8
The number representing nothing
9
System of ordered marks for measuring
10
Line touching circle at one point
11
Number divisible only by 1 and itself
12
Part of a circle's circumference