Across
1
Reference line in a graph
3
Line segment connecting two circle points
4
Longest side of a right triangle
6
Collection of distinct elements
10
The number representing nothing
14
Corner point of a polygon
Down
2
Total distance around a shape
5
Visual representation of data
7
Single numeral from 0 to 9
8
Line touching circle at one point
9
Result of raising a number to an exponent
11
Number that divides evenly into another
12
Mathematical statement of equality
13
Part of a whole number