Across
1
Space between two intersecting lines
2
Number divisible only by 1 and itself
3
Line segment connecting two circle points
5
Exact correspondence on both sides
7
Steepness of a line
9
Collection of distinct elements
13
Rectangular array of numbers
14
Line touching circle at one point
Down
2
Total distance around a shape
4
Symbol representing unknown value
6
Divisible by two
8
Sum divided by count
10
Result of multiplication
11
Number greater than zero
12
Difference between highest and lowest values