Across
1
Total distance around a shape
5
Part of a circle's circumference
7
Result of multiplication
8
Visual representation of data
9
Math using letters for unknown values
10
Line crossing from corner to corner
12
Lines that never intersect
Down
2
Mathematical statement of equality
3
U-shaped curve of a quadratic function
4
Comparison of two quantities
6
Number with digits after a point
11
Exact correspondence on both sides