Across
1
Number with digits after a point
3
Line segment connecting two circle points
4
Power to which a number is raised
7
Parts per hundred
9
Amount of space an object occupies
10
Number that divides evenly into another
Down
2
Corner point of a polygon
3
Value that does not change
5
Sum divided by count
6
Mathematical rule or equation
8
Exact correspondence on both sides
11
Total distance around a shape
12
Rectangle with four equal sides