Across
1
Lines that never intersect
3
Single numeral from 0 to 9
4
Line touching circle at one point
6
Result of raising a number to an exponent
7
Number that divides evenly into another
10
Corner point of a polygon
Down
2
Part of a line with two endpoints
5
Line crossing from corner to corner
8
Rectangle with four equal sides
9
Parts per hundred
11
Three-sided polygon