Across
1
Distance from center to edge of circle
4
Number less than zero
7
Number that divides evenly into another
8
The number representing nothing
10
Rectangle with four equal sides
11
Parts per hundred
12
Amount of space an object occupies
13
Proven mathematical statement
14
Exact correspondence on both sides
Down
2
Round shape with all points equidistant
3
Line segment connecting two circle points
5
Power to which a number is raised
6
U-shaped curve of a quadratic function
9
Longest side of a right triangle