Across
1
Number less than zero
6
Three-sided polygon
7
Mathematical statement of equality
9
Distance from center to edge of circle
14
Split into equal parts
Down
2
The number representing nothing
3
Space between two intersecting lines
4
Single numeral from 0 to 9
5
Middle value in an ordered dataset
8
Result of raising a number to an exponent
10
Corner point of a polygon
11
Amount of space an object occupies
12
Part of a circle's circumference
13
Value that does not change
