Across
1
Distance from center to edge of circle
2
Space between two intersecting lines
4
Difference between highest and lowest values
6
Result of multiplication
7
Round shape with all points equidistant
8
Three-sided polygon
Down
2
Sum divided by count
3
Exact correspondence on both sides
5
Single numeral from 0 to 9
9
Comparison of two quantities
10
Result of addition