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beautifulangel777 Group Title

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

  • 2 years ago
  • 2 years ago

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  1. beautifulangel777 Group Title
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  2. cwrw238 Group Title
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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

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

    • 2 years ago
  4. cwrw238 Group Title
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    your welcome

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

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

    • 2 years ago
  7. beautifulangel777 Group Title
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    oh ok

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

    • 2 years ago
  9. beautifulangel777 Group Title
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    yes

    • 2 years ago
  10. cwrw238 Group Title
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    right

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

    • 2 years ago
  12. beautifulangel777 Group Title
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    yes i do

    • 2 years ago
  13. Swifty Group Title
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    2nd one is 100% correct c:

    • 2 months ago
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