1. Lesson Technology Lab: Exterior Angles of a Polygon Obj: The student will be able to use a protractor to study the exterior angles of a polygon HWK: Vocab: 1) exterior angles

2. Draw a square. Extend the sides of the square. Measure each exterior angle. Ex 1) What do you notice about the measure of the exterior angles? Ex 2) What is the sum of the measures of the exterior angles?

3. Draw a pentagon. Extend the sides of the pentagon. Measure each exterior angle. Ex 3) What do you notice about the measure of these exterior angles? Ex 4) What is the sum of the measures of the exterior angles?

4. Draw a hexagon. Extend the sides of the hexagon. Measure each exterior angle. Ex 5) What do you notice about the measure of these exterior angles? Ex 6) What is the sum of the measures of the exterior angles?

5. What conclusion can we make about the measures of each exterior angle of a polygon? What conclusion can we make about the sum of the measures of the exterior angles of a polygon?