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angelbaby

Given: Same-side interior angles are supplementary Prove: AB=CD

  • one year ago
  • one year ago

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  1. angelbaby
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    • one year ago
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  2. angelbaby
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    i really need help im very stuck on this one:(

    • one year ago
  3. dpflan
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    What does 'supplementary' mean?

    • one year ago
  4. angelbaby
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    180 degres right?

    • one year ago
  5. dpflan
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    Yeah, two angles are supplementary if their sum is 180 degrees

    • one year ago
  6. angelbaby
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    but there is no degrees here i cant add anything thats where im lost:(

    • one year ago
  7. dpflan
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    You don't need the degrees necessarily. For example, angles 1 and 2 are supplementary, what other angles are supplementary? You just need to be aware of the relationships between the angles

    • one year ago
  8. angelbaby
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    so i can also say that angles 8 and 7 are supplementary angles?:D

    • one year ago
  9. AnimalAin
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    I don't believe that conclusion is supported by your given fact. Your fact is about the angles, your conclusion is about the lengths of the segments. There aren't very many other facts to link the two.

    • one year ago
  10. angelbaby
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    so in total i could just say what was given is that AB and CD are parallel to eachother,with this i can say that angles 8 and 7 are supplementary adding up to 180 degerees and also angles 1 and 2 are supplementary angles. does that sound good?

    • one year ago
  11. angelbaby
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    how would u prove if there corresponding angles then if i cant do it that way?

    • one year ago
  12. AnimalAin
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    Your given leads to the conclusion that the lines are parallel. You don't have a single fact about how long the segments are, as far as I can tell.

    • one year ago
  13. angelbaby
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    how would u prove if there corresponding angles then if i cant do it that way?

    • one year ago
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