Across
1
Exact correspondence on both sides
3
Parts per hundred
4
Divisible by two
5
Result of multiplication
6
Three-sided polygon
11
Part of a circle's circumference
12
Rectangular array of numbers
Down
2
Round shape with all points equidistant
3
Lines that never intersect
7
Number greater than zero
8
Split into equal parts
9
Power to which a number is raised
10
Line segment connecting two circle points