Across
1
Comparison of two quantities
2
Number greater than zero
4
Space between two intersecting lines
5
Steepness of a line
6
Split into equal parts
7
Number less than zero
Down
2
Closed shape with straight sides
3
Symbol representing unknown value
8
Parts per hundred
9
Line segment connecting two circle points
10
Line touching circle at one point
11
Longest side of a right triangle
12
Math using letters for unknown values