Across
1
Math using letters for unknown values
3
Distance from center to edge of circle
4
Longest side of a right triangle
5
Round shape with all points equidistant
8
Visual representation of data
Down
2
Mathematical statement of equality
3
Difference between highest and lowest values
6
Divisible by two
7
Number divisible only by 1 and itself
9
Closed shape with straight sides
10
Reference line in a graph
11
Line segment connecting two circle points