Across
1
Sum divided by count
5
Result of raising a number to an exponent
6
Longest side of a right triangle
7
Steepness of a line
10
Symbol representing unknown value
Down
2
Corner point of a polygon
3
Total distance around a shape
4
Exact correspondence on both sides
8
U-shaped curve of a quadratic function
9
Parts per hundred
11
Line segment connecting two circle points