Across
1
Three-sided polygon
7
Sum divided by count
8
Single numeral from 0 to 9
9
Longest side of a right triangle
10
Line crossing from corner to corner
Down
1
Line touching circle at one point
2
Result of raising a number to an exponent
3
Part of a circle's circumference
4
Visual representation of data
5
Part of a whole number
6
Difference between highest and lowest values
11
Middle value in an ordered dataset