Across
1
Part of a line with two endpoints
5
Power to which a number is raised
6
Visual representation of data
7
Total distance around a shape
8
Rectangle with four equal sides
9
Distance from center to edge of circle
Down
2
Mathematical rule or equation
3
Lines that never intersect
4
Single numeral from 0 to 9
8
Exact correspondence on both sides
10
Result of addition
11
Steepness of a line