Across
1
Closed shape with straight sides
4
Middle value in an ordered dataset
5
Lines that never intersect
6
Result of multiplication
7
Reference line in a graph
8
Parts per hundred
9
Proven mathematical statement
Down
1
Total distance around a shape
2
The number representing nothing
3
Part of a whole number
10
Line crossing from corner to corner
11
Longest side of a right triangle