Across
1
Corner point of a polygon
4
U-shaped curve of a quadratic function
5
Distance from center to edge of circle
7
Round shape with all points equidistant
8
Space between two intersecting lines
11
Visual representation of data
12
Part of a line with two endpoints
Down
2
Three-sided polygon
3
Longest side of a right triangle
6
Line crossing from corner to corner
9
Number with digits after a point
10
Number greater than zero