Across
1
Line touching circle at one point
5
Split into equal parts
6
Divisible by two
7
Proven mathematical statement
10
Result of addition
12
Result of raising a number to an exponent
Down
2
Difference between highest and lowest values
3
Mathematical statement of equality
4
Longest side of a right triangle
8
Three-sided polygon
9
Comparison of two quantities
11
Sum divided by count