Across
1
Result of raising a number to an exponent
4
Total distance around a shape
5
Line touching circle at one point
7
Sum divided by count
10
Lines that never intersect
Down
2
Steepness of a line
3
Math using letters for unknown values
6
Part of a line with two endpoints
8
Number less than zero
9
Rectangular array of numbers
11
Exact correspondence on both sides
12
Round shape with all points equidistant