Across
1
Distance from center to edge of circle
3
Math using letters for unknown values
6
Line touching circle at one point
8
Rectangle with four equal sides
9
Number less than zero
10
Number that divides evenly into another
12
Closed shape with straight sides
Down
2
Visual representation of data
3
Sum divided by count
4
Number with digits after a point
5
Number divisible only by 1 and itself
7
Mathematical rule or equation
11
Value that does not change