Across
1
Line segment connecting two circle points
3
Exact correspondence on both sides
5
Parts per hundred
6
Collection of distinct elements
7
Corner point of a polygon
Down
2
The number representing nothing
4
Number greater than zero
5
Result of multiplication
7
Symbol representing unknown value
8
Difference between highest and lowest values
9
Split into equal parts
10
Longest side of a right triangle
11
Value that does not change