Across
1
Longest side of a right triangle
6
Space between two intersecting lines
8
Steepness of a line
9
Three-sided polygon
10
Sum divided by count
12
Rectangle with four equal sides
Down
2
Divisible by two
3
Number less than zero
4
Total distance around a shape
5
Distance from center to edge of circle
7
Proven mathematical statement
11
Number greater than zero
13
Exact correspondence on both sides
14
Line touching circle at one point