Across
1
Result of raising a number to an exponent
2
Part of a circle's circumference
3
Corner point of a polygon
5
Symbol representing unknown value
6
Number that divides evenly into another
7
Split into equal parts
11
Three-sided polygon
Down
1
Closed shape with straight sides
2
Sum divided by count
4
The number representing nothing
8
Rectangle with four equal sides
9
Rectangular array of numbers
10
U-shaped curve of a quadratic function