Across
1
Line touching circle at one point
5
Line segment connecting two circle points
6
Space between two intersecting lines
8
Number less than zero
9
Lines that never intersect
Down
2
Middle value in an ordered dataset
3
Result of raising a number to an exponent
4
Power to which a number is raised
7
Single numeral from 0 to 9
10
Longest side of a right triangle