Across
1
Closed shape with straight sides
4
Mathematical statement of equality
5
Corner point of a polygon
7
Rectangle with four equal sides
9
Three-sided polygon
Down
1
Lines that never intersect
2
Steepness of a line
3
Line crossing from corner to corner
4
Divisible by two
6
Visual representation of data
7
Exact correspondence on both sides
8
Result of multiplication