Across
1
Collection of distinct elements
3
Parts per hundred
6
Line crossing from corner to corner
7
Rectangular array of numbers
8
U-shaped curve of a quadratic function
9
Sum divided by count
10
Value that does not change
Down
1
Steepness of a line
2
Amount of space an object occupies
4
Total distance around a shape
5
Exact correspondence on both sides
11
Longest side of a right triangle
12
Three-sided polygon
13
Corner point of a polygon