Across
1
Parts per hundred
5
Space between two intersecting lines
6
Single numeral from 0 to 9
7
Part of a circle's circumference
8
Total distance around a shape
9
Value that does not change
10
Three-sided polygon
11
Reference line in a graph
Down
1
Number greater than zero
2
Rectangle with four equal sides
3
Line segment connecting two circle points
4
Middle value in an ordered dataset