Across
1
Total distance around a shape
5
Result of multiplication
6
Parts per hundred
7
Exact correspondence on both sides
8
Line crossing from corner to corner
10
Space between two intersecting lines
Down
1
Lines that never intersect
2
Three-sided polygon
3
Reference line in a graph
4
Steepness of a line
5
Number divisible only by 1 and itself
9
Distance from center to edge of circle
11
Number that divides evenly into another
12
Value that does not change