Across
1
Distance from center to edge of circle
4
Comparison of two quantities
5
Part of a circle's circumference
6
Result of raising a number to an exponent
9
Sum divided by count
11
Line touching circle at one point
Down
2
Three-sided polygon
3
Result of multiplication
7
Line crossing from corner to corner
8
Closed shape with straight sides
10
System of ordered marks for measuring