Across
1
Line touching circle at one point
2
Round shape with all points equidistant
4
Reference line in a graph
6
Lines that never intersect
7
Mathematical statement of equality
Down
2
Value that does not change
3
Repeated addition
5
Math using letters for unknown values
8
Longest side of a right triangle
9
Space between two intersecting lines
10
Rectangle with four equal sides
11
Difference between highest and lowest values
12
Part of a line with two endpoints
13
Visual representation of data