Across
1
Part of a circle's circumference
2
Steepness of a line
4
Visual representation of data
5
Amount of space an object occupies
9
Number less than zero
Down
2
Exact correspondence on both sides
3
Closed shape with straight sides
6
Lines that never intersect
7
Number that divides evenly into another
8
Line segment connecting two circle points
10
Mathematical statement of equality
11
Part of a line with two endpoints