Across
1
Amount of space an object occupies
2
Rectangle with four equal sides
5
U-shaped curve of a quadratic function
6
Line touching circle at one point
7
Sum divided by count
8
Total distance around a shape
9
Part of a line with two endpoints
Down
2
Collection of distinct elements
3
Distance from center to edge of circle
4
Part of a whole number
5
Number greater than zero
8
Closed shape with straight sides
10
Proven mathematical statement
11
Number less than zero
12
Result of raising a number to an exponent