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Geometry, Angle Relationships Theorems question


I'm sure this looks a lot harder than it really is, but any help would be appreciated because I'm stumped. I'm supposed to fill in the green boxes but I can't figure out what to do. Thanks :)

Geometry Angle Relationships Theorems question Im sure this looks a lot harder than it really is but any help would be appreciated because Im stumped Im suppose class=

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wegnerkolmp2741o

Answer:


Step-by-step explanation:

1.  <3 = <4                                      1 Given

2.  <2 <3 are supplementary      2.  non common   sides in  opposite  rays

3. <2 + <3 = 180                             3.  Definition of supplementary angles

4.  <2 + < 4 = 180                              4  substitution

5.  <1 = <4                                       5  Opposite angles are equal

6 <2 + <1 = 180                                6     Substitution

7.  <1, <2 are supplementary            7.  Definition of supplementary angles


The only word I am not sure of is the last word in 2

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