Across
1
Part of a line with two endpoints
5
Symbol representing unknown value
6
The number representing nothing
7
Line crossing from corner to corner
8
Amount of space an object occupies
9
Number with digits after a point
11
Visual representation of data
Down
2
Distance from center to edge of circle
3
Closed shape with straight sides
4
Proven mathematical statement
5
Corner point of a polygon
7
Split into equal parts
10
Number less than zero
12
Result of multiplication