Across
1
Part of a line with two endpoints
3
Part of a circle's circumference
8
Total distance around a shape
9
Comparison of two quantities
10
Number divisible only by 1 and itself
11
Result of raising a number to an exponent
Down
2
Middle value in an ordered dataset
4
Result of addition
5
Mathematical statement of equality
6
Three-sided polygon
7
Round shape with all points equidistant