devinmartin0923
  • devinmartin0923
Need help with Geometry
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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devinmartin0923
  • devinmartin0923
Derek wrote the following paragraph proof for the Vertical Angles Theorem:
devinmartin0923
  • devinmartin0923
devinmartin0923
  • devinmartin0923
The sum of angle 1 and angle 4 and the sum of angle 3 and angle 4 are each equal to 180 degrees by the definition of supplementary angles. The sum of angle 1 and angle 4 is equal to the sum of angle 3 and angle 4 by the transitive property of equality. Angle 1 is equal to angle 3 _____________________. Which phrase completes the proof? by construction using a straightedge by the definition of a perpendicular bisector by the subtraction property of equality by the vertical angles theorem

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anonymous
  • anonymous
What do you think is the answer?
devinmartin0923
  • devinmartin0923
I belive it is A, it is definitly not D
anonymous
  • anonymous
Why not D? Do you know what Vertical Theorem is?
devinmartin0923
  • devinmartin0923
Because I thought it was the answer and it was marked incorrect :/
anonymous
  • anonymous
What would you do so that you would only left with <1 =<3? |dw:1439936508497:dw|
devinmartin0923
  • devinmartin0923
combine like terms
devinmartin0923
  • devinmartin0923
@mathway
devinmartin0923
  • devinmartin0923
hallpppp im leaning towards B
anonymous
  • anonymous
What would you have to do to combine like terms? Also, You know D is wrong. Did the proof mention construction or perpendicular bisectors?
devinmartin0923
  • devinmartin0923
Okay so C is sticking out to me then
anonymous
  • anonymous
yes
devinmartin0923
  • devinmartin0923
thank you
anonymous
  • anonymous
Sorry, I wasn't able to reply quickly. :(
anonymous
  • anonymous
fyi, D is wrong because you can't use the vertical angle thm to prove itself
anonymous
  • anonymous
We know that already...
anonymous
  • anonymous
Notice that you would subtract <4 on both sides so that <1=<3, so the proof would be SPE. :)
devinmartin0923
  • devinmartin0923
You guys rock <3

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