Across
1
Result of raising a number to an exponent
2
Number with digits after a point
3
Reference line in a graph
5
Longest side of a right triangle
6
Symbol representing unknown value
8
Power to which a number is raised
9
Closed shape with straight sides
Down
1
Lines that never intersect
2
Split into equal parts
4
Three-sided polygon
7
Collection of distinct elements
10
Corner point of a polygon