Across
1
Sum divided by count
2
Number that divides evenly into another
4
Three-sided polygon
6
Reference line in a graph
7
Part of a line with two endpoints
8
Steepness of a line
9
Result of raising a number to an exponent
10
Distance from center to edge of circle
11
Repeated addition
Down
2
Mathematical rule or equation
3
Line touching circle at one point
4
Proven mathematical statement
5
Lines that never intersect