Across
1
Middle value in an ordered dataset
4
Mathematical rule or equation
6
Line touching circle at one point
9
Corner point of a polygon
Down
1
Repeated addition
2
Comparison of two quantities
3
Rectangle with four equal sides
5
Power to which a number is raised
7
U-shaped curve of a quadratic function
8
Part of a circle's circumference
10
Sum divided by count
11
Closed shape with straight sides