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HOMEWORK 1. Obtuse 2. Right 3. Obtuse 4. Acute 5. Acute 6. Obtuse 7. Obtuse 8. Straight 9. Obtuse 10. Acute 11. Obtuse 12. Obtuse 13. Acute 14. Obtuse 15. Acute 16. Straight 17. Right 18. Obtuse 19. Acute 20. Acute 21. Obtuse 22. Acute 23. Obtuse 24. Acute 25. Acute 26. Obtuse 27. Obtuse 28. Acute
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EQ: What are the different types of special angle pairs?Agenda: Warm Up/Check Homework Finish Special Angle Pairs Notes Portfolio Information Angle Addition Postulate
Homework: Angle Addition Worksheet
AGENDA
Using the picture below answer these questions:
WARM UP
1. Name an acute angle _____________2. Name an obtuse angle _____________3. Name a right angle _____________4. Name a straight angle _____________5. Name a pair of complementary angles ________________6. Name a pair of supplementary angles
_________________
HOMEWORK1. Obtuse
2. Right3. Obtuse4. Acute5. Acute6. Obtuse7. Obtuse8. Straight9. Obtuse10. Acute11. Obtuse12. Obtuse
13. Acute14. Obtuse15. Acute16. Straight17. Right18. Obtuse19. Acute20. Acute21. Obtuse22. Acute23. Obtuse24. Acute
25. Acute26. Obtuse27. Obtuse28. Acute
Special Angle PairsExamples Congruent?
Supp?
Alternate Interior Angles
4 and 5
Alternate Exterior Angles
1 and 8
Corresponding Angles
2 and 6
Consecutive Angles
3 and 5
Vertical Angles5 and 8
Portfolio Information
Angle Addition PostulateIf a point S lies in the interior of ∠PQR,
then ∠PQS + ∠SQR = ∠PQR.
If m∠WIJ = 97°, and m∠HIW = 48°, find m∠HIJ.
Example 1
If m∠ABC = 93°, and m∠ABK = 37°, find m∠KBC.
Example 2
Work on Homework