Across
1
Rectangle with four equal sides
4
Total distance around a shape
8
Lines that never intersect
10
Longest side of a right triangle
11
Sum divided by count
Down
2
Divisible by two
3
Number that divides evenly into another
4
Result of multiplication
5
Mathematical rule or equation
6
Distance from center to edge of circle
7
Exact correspondence on both sides
9
Round shape with all points equidistant