Across
1
Space between two intersecting lines
3
Distance from center to edge of circle
6
Part of a line with two endpoints
8
Divisible by two
9
Line segment connecting two circle points
11
Math using letters for unknown values
12
Number divisible only by 1 and itself
Down
2
Number with digits after a point
3
Difference between highest and lowest values
4
Line touching circle at one point
5
Corner point of a polygon
6
Rectangle with four equal sides
7
Single numeral from 0 to 9
10
Visual representation of data
