Across
1
Number that divides evenly into another
2
Closed shape with straight sides
3
Amount of space an object occupies
5
Steepness of a line
6
Power to which a number is raised
7
Three-sided polygon
Down
2
Number divisible only by 1 and itself
3
Symbol representing unknown value
4
Result of multiplication
6
Divisible by two
8
Line touching circle at one point