Across
1
Mathematical rule or equation
4
Line segment connecting two circle points
5
Steepness of a line
6
Line crossing from corner to corner
9
Part of a circle's circumference
12
Corner point of a polygon
Down
2
Visual representation of data
3
U-shaped curve of a quadratic function
7
Line touching circle at one point
8
Result of multiplication
10
Round shape with all points equidistant
11
Number with digits after a point