Across
1
Corner point of a polygon
4
Part of a line with two endpoints
5
Result of multiplication
7
Total distance around a shape
8
Space between two intersecting lines
11
The number representing nothing
13
Part of a circle's circumference
Down
2
Line segment connecting two circle points
3
Mathematical statement of equality
5
Result of raising a number to an exponent
6
Exact correspondence on both sides
9
Part of a whole number
10
Difference between highest and lowest values
12
Round shape with all points equidistant