Across
1
Collection of distinct elements
4
Number divisible only by 1 and itself
5
Longest side of a right triangle
6
Difference between highest and lowest values
7
Split into equal parts
8
Number with digits after a point
10
Distance from center to edge of circle
Down
2
Power to which a number is raised
3
Part of a line with two endpoints
9
Corner point of a polygon
11
The number representing nothing