Across
1
Space between two intersecting lines
4
Steepness of a line
5
Exact correspondence on both sides
6
Collection of distinct elements
7
Part of a whole number
9
Number divisible only by 1 and itself
Down
2
Line touching circle at one point
3
Repeated addition
4
System of ordered marks for measuring
8
Middle value in an ordered dataset
10
Divisible by two