Across
1
Number greater than zero
2
Part of a circle's circumference
7
Power to which a number is raised
8
Three-sided polygon
9
Line touching circle at one point
10
Lines that never intersect
11
Part of a line with two endpoints
Down
1
Result of multiplication
3
Split into equal parts
4
Amount of space an object occupies
5
Longest side of a right triangle
6
Symbol representing unknown value