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julie001

  • 2 years ago

NEED HELP FOR PROOFS! fill in missing step

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  1. julie001
    • 2 years ago
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  2. ash2326
    • 2 years ago
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    (10.03 HC) Look at the figure shown below. A student made the table shown below to prove that XY is equal to YZ. Sample Response Statements Justifications 1. NY = MY Given 2. m∡MYX = m∡NYZ Given 3. m∡XNY = m∡ZMY Given 4. 5. m∡MYZ = m∡MYX + m∡XYZ Angle Addition Postulate 6. m∡MYZ = m∡NYZ + m∡XYZ Substitution 7. m∡NYX = m∡MYZ Transitive Property 8. XYN ≅ ZYM ASA postulate 9. XY = ZY CPCTC A. Provide the missing statement and justification in the proof. B. Using complete sentences, explain why the proof would not work without the missing step.

  3. julie001
    • 2 years ago
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    yea thats the problem

  4. julie001
    • 2 years ago
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    can u guys help?

  5. ash2326
    • 2 years ago
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    @julie001 always post the question, don't upload a docx file. Everyone doesn't have Microsoft word. Thanks Here's the picture

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  6. julie001
    • 2 years ago
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    oh ok

  7. ash2326
    • 2 years ago
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    I'll help you here

  8. julie001
    • 2 years ago
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    please do !

  9. julie001
    • 2 years ago
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    i just need to know the step missing

  10. ash2326
    • 2 years ago
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    Yeah, but I'm confused, what could be missing!!

  11. julie001
    • 2 years ago
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    lol thats wat im saying

  12. ash2326
    • 2 years ago
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    @Zarkon do you have any ideas?

  13. julie001
    • 2 years ago
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    arite thanks anyways i'll just guess

  14. ash2326
    • 2 years ago
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    Nope, wait. We'll fill in the missing step

  15. zepp
    • 2 years ago
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    There's something subtle you need to add in.

  16. zepp
    • 2 years ago
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    ;D

  17. zepp
    • 2 years ago
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    What do we need to say first when you start adding angles to make 5. m∡MYZ = m∡MYX + m∡XYZ Angle Addition Postulate this valid?

  18. zepp
    • 2 years ago
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    When you start adding congruent angles, there's something you'd have to mention.

  19. zepp
    • 2 years ago
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    You'd need to mention that Angle XYZ = Angle XYZ by the reflexive property :)

  20. zepp
    • 2 years ago
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    Since when you substitute m∡NYZ in #5 5. m∡MYZ = m∡MYX + m∡XYZ 6. m∡MYZ = m∡NYZ + m∡XYZ You proved that MYX = NYZ, but not XYZ = XYZ, that what I meant by 'when you start adding congruent angles'.

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