Across
1
Corner point of a polygon
3
Math using letters for unknown values
6
Repeated addition
7
Line segment connecting two circle points
8
Three-sided polygon
10
Single numeral from 0 to 9
Down
1
Amount of space an object occupies
2
Part of a circle's circumference
3
Reference line in a graph
4
Value that does not change
5
Number divisible only by 1 and itself
9
U-shaped curve of a quadratic function