Across
1
Number greater than zero
6
Reference line in a graph
9
Proven mathematical statement
10
Lines that never intersect
11
Line segment connecting two circle points
Down
2
Longest side of a right triangle
3
Amount of space an object occupies
4
Part of a line with two endpoints
5
Part of a whole number
7
Three-sided polygon
8
Mathematical rule or equation
12
Mathematical statement of equality