Across
1
Amount of space an object occupies
2
System of ordered marks for measuring
4
Line touching circle at one point
5
Number that divides evenly into another
7
Repeated addition
Down
2
Exact correspondence on both sides
3
Lines that never intersect
6
Mathematical statement of equality
8
Number greater than zero
9
Corner point of a polygon
10
Number less than zero
11
Three-sided polygon
12
Divisible by two