1. 5-Minute Check Find m  ABD 1. Answer 18 & 72 2. Answer 180, Straight Line

2. Objective(s): Students will analyze special angle relationships to determine angle measures. Why? So you can determine measures in a real world application, as seen in EX 12. Mastery is 80% or better on the 5-Minute Checks and Indy Work

3. Vocabulary

6. Skill Develop- Identify complements and supplements Answer 1 part at a time.

7. Quick Write Are  ABD and  BDE adjacent angles? Is there any relationship? Justify you answers.

8. Think, Ink,Share (Draw the figure in your notes) Answer Angles DEF & ABC Answer Angles FEG & ABC Answer Angles DEF & FEG

9. Guided--Find the measures of complements and supplements Use a picture to help 1 2 57  so Use the angle addition postulate

10. Guided---Find the measures of complements and supplements Use a picture to help so Use the angle addition postulate

11. Your turn: (complete in your notes) Answer 17 degrees Answer 143 degrees

12. Let’s apply it These angles are supplementary and they form a _______________ Linear pair Now substitute expressions in Now solve for x Are we done?

13. What was the Objective for Today? Students will analyze special angle relationships to determine angle measures. Why? So you can determine measures in a real world application, as seen in EX 12. Mastery is 80% or better on the 5-Minute Checks and Indy Work

14. On Your Own Page 38-39 # 2-30 Even

15. Exit Slip Explain in your own words what Adjacent, Complimentary and Supplementary are…