Across
1
Difference between highest and lowest values
3
Amount of space an object occupies
7
Total distance around a shape
9
Middle value in an ordered dataset
Down
2
Line segment connecting two circle points
3
Corner point of a polygon
4
U-shaped curve of a quadratic function
5
Result of addition
6
Line touching circle at one point
8
Distance from center to edge of circle
10
Rectangle with four equal sides
11
Longest side of a right triangle