Across
1
Number greater than zero
4
Number that divides evenly into another
6
Divisible by two
8
Proven mathematical statement
Down
1
Closed shape with straight sides
2
System of ordered marks for measuring
3
Three-sided polygon
5
Split into equal parts
7
Line segment connecting two circle points
9
Total distance around a shape
10
Difference between highest and lowest values
11
Comparison of two quantities