Across
1
Middle value in an ordered dataset
5
Longest side of a right triangle
6
Sum divided by count
7
Value that does not change
8
Math using letters for unknown values
9
Result of raising a number to an exponent
10
Line touching circle at one point
Down
2
Line crossing from corner to corner
3
Proven mathematical statement
4
Closed shape with straight sides
11
System of ordered marks for measuring