Across
1
Longest side of a right triangle
6
Rectangular array of numbers
7
Total distance around a shape
8
Parts per hundred
10
Result of multiplication
13
Sum divided by count
Down
2
Lines that never intersect
3
Result of raising a number to an exponent
4
Rectangle with four equal sides
5
Round shape with all points equidistant
9
Closed shape with straight sides
11
Proven mathematical statement
12
Visual representation of data