Across
1
Line crossing from corner to corner
5
Three-sided polygon
6
Space between two intersecting lines
10
Comparison of two quantities
11
Number greater than zero
Down
2
Line touching circle at one point
3
Reference line in a graph
4
U-shaped curve of a quadratic function
7
Closed shape with straight sides
8
Distance from center to edge of circle
9
Symbol representing unknown value
10
Difference between highest and lowest values
11
Result of multiplication
12
Proven mathematical statement