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 transcript:

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.

ANGLES!!! 1-4/1-5

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

Parts of an Angle

Types of Angles

Types of Angle PAIRS Vertical angles Supplementary Complimentary Adjacent

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

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

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

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

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

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

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

What do we KNOW in this picture?

Linear Pair- Two angles that are both adjacent and supplementary