1/22/16- Angle Bisector Theorem

Warm-up

Screenshot 2016-01-25 16.15.18

 

 

 

 

 

 

  1. From the diagram above, create a similarity statement and give a reason for your statement.
  2. If x/y=a/b and a=c, create another valid proportion involving c.
  3. Create a diagram where GH bisects angle EGF
  4. What is the supplement of 76ยบ?
  5. Screenshot 2016-01-25 16.19.01

 

 

 

 

 

 

What can you say about lines x and y in the diagram above? Why?

Angle Bisector Theorem

We then worked through a worksheet that guided students through a proof of the Angle Bisector Theorem: Angle Bisector Theorem- Guided Proof

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