Across
1
Line touching circle at one point
2
Number divisible only by 1 and itself
4
Reference line in a graph
6
System of ordered marks for measuring
8
Part of a line with two endpoints
10
Divisible by two
11
Comparison of two quantities
12
Line segment connecting two circle points
Down
2
Result of raising a number to an exponent
3
Longest side of a right triangle
5
Power to which a number is raised
7
Total distance around a shape
9
Result of multiplication