Across
1
Number greater than zero
5
Round shape with all points equidistant
6
Distance from center to edge of circle
8
Space between two intersecting lines
9
Visual representation of data
10
System of ordered marks for measuring
13
Power to which a number is raised
Down
2
Steepness of a line
3
Proven mathematical statement
4
Line touching circle at one point
7
Result of addition
11
Number that divides evenly into another
12
Symbol representing unknown value