Across
1
Part of a line with two endpoints
4
Result of raising a number to an exponent
6
Result of addition
8
Collection of distinct elements
9
Number greater than zero
10
Middle value in an ordered dataset
11
Amount of space an object occupies
12
Longest side of a right triangle
14
Number less than zero
Down
2
Sum divided by count
3
Rectangle with four equal sides
4
Closed shape with straight sides
5
Value that does not change
7
Number divisible only by 1 and itself
13
The number representing nothing