Across
1
Result of raising a number to an exponent
2
Middle value in an ordered dataset
4
Round shape with all points equidistant
5
Line touching circle at one point
7
Line crossing from corner to corner
8
Mathematical statement of equality
Down
2
Repeated addition
3
Total distance around a shape
6
Reference line in a graph
9
Part of a line with two endpoints
10
Divisible by two
11
Sum divided by count
12
Difference between highest and lowest values