Geometry

1. Curved from every side also 3D
3. I have only 1 end point
6. 2D flat surface
7. a type of angle that is correctly 90 degree write only the name
8. I have two identical rectilinear faces and all my other faces are quadrilateral
11. always on the boundaries of a circle
12. a closed plane figure

2. a type of line that maintains the same distance
4. a polygon is a figure four edges and four vertices
5. a common end point formed by two rays
6. I have one base and other faces are triangular in shape also I meet on a endpoint named apex
9. always round
10. I have 4 faces,6 edges and 4 vertices