Across
1
Result of multiplication
2
Space between two intersecting lines
3
Exact correspondence on both sides
9
Part of a whole number
Down
2
Sum divided by count
4
Closed shape with straight sides
5
Line touching circle at one point
6
Distance from center to edge of circle
7
U-shaped curve of a quadratic function
8
Difference between highest and lowest values
9
Number that divides evenly into another