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beautifulangel777

  • 2 years ago

Karen is using an indirect method to prove that segment DE is not parallel to segment BC in the triangle ABC shown. She starts with the assumption that segment DE is parallel to segment BC. Which inequality will she use to contradict the assumption? 6:2 ≠ 7:10 6:8 ≠ 7:10 6:7 ≠ 2:7 6:2 ≠ 3:2

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  1. beautifulangel777
    • 2 years ago
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  2. cwrw238
    • 2 years ago
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    if DE is parallel to BC then triangles ABC and ADE are similar and corresponding sides will be in same ratio ie AE: AC will be equal to AD: AB this should help

  3. beautifulangel777
    • 2 years ago
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    whoa ok thanks :)

  4. cwrw238
    • 2 years ago
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    your welcome

  5. beautifulangel777
    • 2 years ago
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    wait would it be the last one then ????

  6. cwrw238
    • 2 years ago
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    no: AD = 6 and AB = 8

  7. beautifulangel777
    • 2 years ago
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    oh ok

  8. cwrw238
    • 2 years ago
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    so is it the second one?

  9. beautifulangel777
    • 2 years ago
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    yes

  10. cwrw238
    • 2 years ago
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    right

  11. cwrw238
    • 2 years ago
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    so - you see the inner and outer triangles cannot be similar because the sides are not in same ratio

  12. beautifulangel777
    • 2 years ago
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    yes i do

  13. Swifty
    • 5 months ago
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    2nd one is 100% correct c:

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