Across
1
Sum divided by count
5
Corner point of a polygon
7
Divisible by two
8
Number less than zero
9
Total distance around a shape
10
Exact correspondence on both sides
11
Number that divides evenly into another
Down
2
Part of a line with two endpoints
3
Power to which a number is raised
4
Number with digits after a point
6
Value that does not change