1. Plane Figures

2. What are the types of figures? A closed figure begins and ends at the same end point. An open figure has ends that do not meet.

3. What is a polygon? A polygon is a closed plane figure with straight sides that are line segments. A circle is an example of a plane figure that has no straight sides. A circle is not a polygon because it has no straight sides. polygon not a polygon

4. Triangles POLYGON! 3 Sides 3 Angles

5. Quadrilaterals POLYGON! 4 Sides 4 Angles

6. Pentagons POLYGON! 5 Sides 5 Angles

7. Hexagons POLYGON! 6 Sides 6 Angles

8. Octagons POLYGON! 8 Sides 8 Angles