Across
1
Three-sided polygon
5
Steepness of a line
7
Power to which a number is raised
10
Sum divided by count
Down
2
Longest side of a right triangle
3
Split into equal parts
4
Corner point of a polygon
5
Result of addition
6
Visual representation of data
8
Closed shape with straight sides
9
Exact correspondence on both sides
10
Reference line in a graph
11
The number representing nothing
12
Number that divides evenly into another