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Bell Ringer If AD = 12 and AC = 4y – 36, Find the value of y. Then find AC and DC IF ED = a + 4 and DB = 3a – 8, find ED, DB, and EB.

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Presentation on theme: "Bell Ringer If AD = 12 and AC = 4y – 36, Find the value of y. Then find AC and DC IF ED = a + 4 and DB = 3a – 8, find ED, DB, and EB."— Presentation transcript:

1 Bell Ringer If AD = 12 and AC = 4y – 36, Find the value of y. Then find AC and DC IF ED = a + 4 and DB = 3a – 8, find ED, DB, and EB.

2 ANGLES!!! 1-4/1-5

3 Vocabulary Angle Acute Right Obtuse Straight Adjacent Vertical
Side Vertex Acute Right Obtuse Straight Adjacent Vertical Complimentary Supplementary

4 Parts of an Angle

5 Types of Angles

6 Types of Angle PAIRS Vertical angles Supplementary Complimentary
Adjacent

7 Types of Angle PAIRS Why are the numbers the same COLOR?
Vertical angles Supplementary Complimentary Adjacent

8 Identify Angle Pairs True or False?
<BFD and <CFD are Adjacent

9 Identify Angle Pairs True or False?
<BFD and <CFD are Adjacent <AFB and <EFD are Vertical

10 Identify Angle Pairs True or False?
<BFD and <CFD are Adjacent <AFB and <EFD are Vertical <AFE and <BFC are Complimentary

11 Identify Angle Pairs True or False?
<BFD and <CFD are Adjacent <AFB and <EFD are Vertical <AFE and <BFC are Complimentary

12 When a Diagram is UNMARKED
We Can Conclude Angles are Adjacent Angles are Adjacent and Supplementary Vertical Angles

13 When a Diagram is UNMARKED
We Can Conclude We CANT Conclude Angles are Adjacent Angles are Adjacent and Supplementary Vertical Angles Congruent angles Right angles Complementary angles

14 What do we KNOW in this picture?

15 Linear Pair- Two angles that are both adjacent and supplementary

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