Across
1
Power to which a number is raised
5
Distance from center to edge of circle
6
Steepness of a line
7
Amount of space an object occupies
9
Line touching circle at one point
11
The number representing nothing
Down
2
Corner point of a polygon
3
Proven mathematical statement
4
Collection of distinct elements
5
Comparison of two quantities
6
Result of addition
8
Divisible by two
10
Rectangular array of numbers
12
Part of a line with two endpoints