1. Class Announcements: We will join Canvas together on Monday. Complete the Exit Ticket by the end of class today. If the Review sheet is not complete, tape it in your notebook and complete it for homework.

2. 4 th Period: Finish tracing the polygons and measuring the angles to complete the chart below. Be ready to add your results to a class table and justify your reasoning on Monday. Angle Sums of Regular Polygons Polygon Number of Sides Measure of an Angle Angle Sum triangleNumber of Sides square pentagon hexagon heptagon octagon nonagon decagon 1 st Period: Copy the table below into your notebook. Use the polygon shapes and the protractors to draw and measure the angles for each polygon to complete the table.

3. Angle Sums of Regular Polygons 1 st and 4 th Period: Complete the Polygon Review sheet. This should be submitted at the end of class if complete, otherwise it needs to be completed for homework and is due at the beginning class Monday.

4. If a regular polygon has 20 sides, what will be the sum of all the angles in that polygon? Explain why your answer makes sense. If a regular polygon has 20 sides, each angle must have how many degrees? Explain why your answer makes sense. Exit Ticket Choose 1 of the 2 questions below. Show your work and provide an explanation of your answer. If a regular polygon has 20 sides, what will be the sum of all the angles in that polygon? Explain why your answer makes sense. If a regular polygon has 20 sides, each angle must have how many degrees? Explain why your answer makes sense. Exit Ticket Choose 1 of the 2 questions below. Show your work and provide an explanation of your answer.