Across
1
Round shape with all points equidistant
2
Part of a line with two endpoints
4
Number greater than zero
5
Mathematical statement of equality
7
Proven mathematical statement
10
Rectangular array of numbers
Down
2
Collection of distinct elements
3
Three-sided polygon
6
Distance from center to edge of circle
8
Reference line in a graph
9
Rectangle with four equal sides
11
Result of addition