Across
1
Middle value in an ordered dataset
4
Three-sided polygon
6
Parts per hundred
7
Result of addition
8
Distance from center to edge of circle
9
Proven mathematical statement
11
U-shaped curve of a quadratic function
Down
2
Longest side of a right triangle
3
Number that divides evenly into another
5
Line crossing from corner to corner
10
Difference between highest and lowest values
12
Power to which a number is raised