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BIGDOG96 Group Title

Prove that the opposite angles of a parallelogram are congruent.

  • 2 years ago
  • 2 years ago

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  1. BIGDOG96 Group Title
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    • 2 years ago
  2. BIGDOG96 Group Title
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    Can anyone help?

    • 2 years ago
  3. mayankdevnani Group Title
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    Well, that's a property of parallelograms.

    • 2 years ago
  4. mayankdevnani Group Title
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    But if you must prove it, I say you draw a diagonal from one angle to the opposite one, and then prove that the two triangles formed are congruent, since their three sides have the same length.

    • 2 years ago
  5. mayankdevnani Group Title
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    After that, just prove that the opposite angles are congruent because correspondent angles on congruent triangles are congruent.. @BIGDOG96

    • 2 years ago
  6. jiteshmeghwal9 Group Title
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    |dw:1347976457702:dw|

    • 2 years ago
  7. jiteshmeghwal9 Group Title
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    so here through this congruency it is proved that opposite angles of a parallelogram are always equal.

    • 2 years ago
  8. BIGDOG96 Group Title
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    Thanks

    • 2 years ago
  9. jiteshmeghwal9 Group Title
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    yw :)

    • 2 years ago
  10. mayankdevnani Group Title
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    welcome...

    • 2 years ago
  11. BIGDOG96 Group Title
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    I get it better with the pic

    • 2 years ago
  12. BIGDOG96 Group Title
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    Is there anyway you could write out the steps, they kinda got chopped off. @jiteshmeghwal9

    • 2 years ago
  13. jiteshmeghwal9 Group Title
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    yes!

    • 2 years ago
  14. jiteshmeghwal9 Group Title
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    write my first & second replies

    • 2 years ago
  15. jiteshmeghwal9 Group Title
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    cleanly,in ur note-book

    • 2 years ago
  16. jiteshmeghwal9 Group Title
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    they are the steps :)

    • 2 years ago
  17. BIGDOG96 Group Title
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    Is any of that missing?

    • 2 years ago
  18. BIGDOG96 Group Title
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    Is this right? First draw two bisectors in the parallelogram. So, here is a parallelogram namely ABCD. angle 5 = angle 4 alternate interior angles congruency. 1 - 2 - angle 6 = angle 3 alternate interior angles congruency. 3 -angle 1 = angle 8 alternate interior angle congruency. 4 - angle 2 = angle 7 alternate interior angle congruency.

    • 2 years ago
  19. jiteshmeghwal9 Group Title
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    yes!

    • 2 years ago
  20. BIGDOG96 Group Title
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    Okay thanks. Can you help with another one?

    • 2 years ago
  21. jiteshmeghwal9 Group Title
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    Hmm! if the question is not same then i will help you because i have cleared ur concept :)

    • 2 years ago
  22. jiteshmeghwal9 Group Title
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    in this type of question

    • 2 years ago
  23. BIGDOG96 Group Title
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    Will you check my work?

    • 2 years ago
  24. jiteshmeghwal9 Group Title
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    ok!

    • 2 years ago
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