Across
1
Part of a circle's circumference
2
Split into equal parts
4
Mathematical rule or equation
5
Power to which a number is raised
10
Distance from center to edge of circle
11
Visual representation of data
12
Sum divided by count
Down
2
Line crossing from corner to corner
3
Round shape with all points equidistant
6
Amount of space an object occupies
7
Longest side of a right triangle
8
Collection of distinct elements
9
Number divisible only by 1 and itself
13
Three-sided polygon