Across
1
Split into equal parts
2
System of ordered marks for measuring
3
Difference between highest and lowest values
5
The number representing nothing
6
Line touching circle at one point
11
Closed shape with straight sides
Down
2
Rectangle with four equal sides
4
Power to which a number is raised
7
Line segment connecting two circle points
8
Corner point of a polygon
9
Comparison of two quantities
10
Line crossing from corner to corner