Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

atjari

  • 2 years ago

Please help. Prove that the diagonal of a quadrilateral bisect each other if and only if it is a parallelogram.

  • This Question is Closed
  1. FoolForMath
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 4

    I didn't read the problem properly, now after I did, I think we can prove this easily using vectors.

  2. Aron_West
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1328089175382:dw|

  3. atjari
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ya v need to solve t with vectors nly. Bt hw?

  4. Aron_West
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Note the congruence of the triangles,and you can proceed easily.

  5. FoolForMath
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 4

    This is a pure geometrical solution http://www.math.washington.edu/~king/coursedir/m444a00/test/ca10-16-pgramdiag.html

  6. atjari
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    geometrically I can prove t. Bt this question comes under the section vectors. That's y am confused.

  7. FoolForMath
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 4

    I am sooo tired right now :(

  8. atjari
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ha k. Anyway thanx for trying to help me.

  9. FoolForMath
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 4

    :)

  10. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.