Across
1
Line touching circle at one point
4
Number greater than zero
5
Lines that never intersect
10
Amount of space an object occupies
12
Longest side of a right triangle
Down
2
Steepness of a line
3
Middle value in an ordered dataset
4
Result of multiplication
6
Mathematical statement of equality
7
Number divisible only by 1 and itself
8
Symbol representing unknown value
9
System of ordered marks for measuring
11
Reference line in a graph