Across
1
Number with digits after a point
4
Sum divided by count
7
Math using letters for unknown values
8
Total distance around a shape
10
Steepness of a line
Down
2
Part of a line with two endpoints
3
Space between two intersecting lines
5
Result of raising a number to an exponent
6
Distance from center to edge of circle
9
Value that does not change
11
Number greater than zero