Across
1
Middle value in an ordered dataset
5
Corner point of a polygon
8
Space between two intersecting lines
10
Number with digits after a point
11
Mathematical statement of equality
Down
1
Rectangular array of numbers
2
Rectangle with four equal sides
3
Repeated addition
4
Difference between highest and lowest values
6
Round shape with all points equidistant
7
Exact correspondence on both sides
9
Parts per hundred
12
Line crossing from corner to corner