Across
1
Line touching circle at one point
4
Steepness of a line
6
Value that does not change
7
Exact correspondence on both sides
10
Round shape with all points equidistant
12
Result of raising a number to an exponent
Down
2
Comparison of two quantities
3
System of ordered marks for measuring
4
Collection of distinct elements
5
Visual representation of data
8
Three-sided polygon
9
Corner point of a polygon
11
Mathematical rule or equation