Geometry

Circles
Pentagon
(5 sides)
Squares
(4 equal sides)
Hexagon
(6 sides)
Rectangle
(4 (2 * 2) equal sides)

Heptagon
(7 sides)
Triangle
(3 sides)
Octagon
(8 sides)
Lines:
Curves:
Line segment:

Intersecting lines:
Parallel lines:
Ray:
Open curves:
Closed curves: