Across
1
Comparison of two quantities
2
Corner point of a polygon
4
Middle value in an ordered dataset
5
Closed shape with straight sides
7
System of ordered marks for measuring
11
Distance from center to edge of circle
12
Symbol representing unknown value
Down
2
Amount of space an object occupies
3
Reference line in a graph
5
Result of raising a number to an exponent
6
Number divisible only by 1 and itself
8
Value that does not change
9
Total distance around a shape
10
Collection of distinct elements