Across
1
Collection of distinct elements
3
Line touching circle at one point
4
Lines that never intersect
5
Round shape with all points equidistant
6
Mathematical rule or equation
8
Amount of space an object occupies
10
Split into equal parts
12
Space between two intersecting lines
13
Longest side of a right triangle
Down
2
Sum divided by count
4
Result of multiplication
7
Power to which a number is raised
9
Difference between highest and lowest values
11
Proven mathematical statement