Across
1
U-shaped curve of a quadratic function
4
Exact correspondence on both sides
5
Corner point of a polygon
8
Space between two intersecting lines
Down
2
Part of a circle's circumference
3
Result of multiplication
4
Part of a line with two endpoints
6
Distance from center to edge of circle
7
Mathematical rule or equation
9
Line crossing from corner to corner
10
Sum divided by count