Across
1
Total distance around a shape
6
Result of multiplication
7
Result of addition
8
Power to which a number is raised
9
Middle value in an ordered dataset
13
Parts per hundred
Down
2
Proven mathematical statement
3
Three-sided polygon
4
Split into equal parts
5
Line segment connecting two circle points
7
Part of a line with two endpoints
10
Exact correspondence on both sides
11
Rectangular array of numbers
12
Sum divided by count