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devinmartin0923

  • one year ago

Need help with Geometry

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  1. devinmartin0923
    • one year ago
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    Derek wrote the following paragraph proof for the Vertical Angles Theorem:

  2. devinmartin0923
    • one year ago
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  3. devinmartin0923
    • one year ago
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    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

  4. anonymous
    • one year ago
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    What do you think is the answer?

  5. devinmartin0923
    • one year ago
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    I belive it is A, it is definitly not D

  6. anonymous
    • one year ago
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    Why not D? Do you know what Vertical Theorem is?

  7. devinmartin0923
    • one year ago
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    Because I thought it was the answer and it was marked incorrect :/

  8. anonymous
    • one year ago
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    What would you do so that you would only left with <1 =<3? |dw:1439936508497:dw|

  9. devinmartin0923
    • one year ago
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    combine like terms

  10. devinmartin0923
    • one year ago
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    @mathway

  11. devinmartin0923
    • one year ago
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    hallpppp im leaning towards B

  12. anonymous
    • one year ago
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    What would you have to do to combine like terms? Also, You know D is wrong. Did the proof mention construction or perpendicular bisectors?

  13. devinmartin0923
    • one year ago
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    Okay so C is sticking out to me then

  14. anonymous
    • one year ago
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    yes

  15. devinmartin0923
    • one year ago
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    thank you

  16. anonymous
    • one year ago
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    Sorry, I wasn't able to reply quickly. :(

  17. anonymous
    • one year ago
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    fyi, D is wrong because you can't use the vertical angle thm to prove itself

  18. anonymous
    • one year ago
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    We know that already...

  19. anonymous
    • one year ago
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    Notice that you would subtract <4 on both sides so that <1=<3, so the proof would be SPE. :)

  20. devinmartin0923
    • one year ago
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    You guys rock <3

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