Across
1
Number that divides evenly into another
3
Part of a line with two endpoints
7
The number representing nothing
8
Parts per hundred
9
Proven mathematical statement
Down
2
Corner point of a polygon
4
Result of raising a number to an exponent
5
Longest side of a right triangle
6
Symbol representing unknown value
10
Number greater than zero
11
Round shape with all points equidistant