Across
1
Total distance around a shape
3
Closed shape with straight sides
8
Rectangular array of numbers
9
Rectangle with four equal sides
Down
2
Divisible by two
3
Lines that never intersect
4
Power to which a number is raised
5
Space between two intersecting lines
6
Reference line in a graph
7
Comparison of two quantities
10
Round shape with all points equidistant