Across
1
Sum divided by count
5
Rectangle with four equal sides
7
Round shape with all points equidistant
8
Total distance around a shape
9
Distance from center to edge of circle
Down
1
Space between two intersecting lines
2
Exact correspondence on both sides
3
Amount of space an object occupies
4
Number with digits after a point
6
Number greater than zero
10
Reference line in a graph