Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

pratu043

  • 2 years ago

Show that in a quadrilateral ABCD, AB+BC+CA+DA > AC+BD.

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

    |dw:1344502321128:dw|

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

    |dw:1344502527479:dw|

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

    take two triangles ABC and triangles BDC

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

    |dw:1344502571798:dw|In triangle ABC,

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

    I think the question is AB+BC+CA+DA > AC+CD

  6. mukushla
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @pratu043 i think there is a problem with question

  7. mukushla
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    AB+BC+CA+DA > AC+BD --- ---

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

    @pratu043 u there

  9. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Sorry, it is BD not CD.

  10. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    help please.

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

    oh i got it

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

    in triangle ABD , AB + DA > BD

  13. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    The quadrilateral should be like this: |dw:1344503679049:dw|

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

    in triangle ABD , AB + DA > BD right @pratu043

  15. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    How did you get that @sauravshakya?

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

    In a triangle sum of two sides of a triangle is always greater than the third side right?

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

    @pratu043

  18. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Oops, yes I forgot that.

  19. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    So what next?

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

    Cancel CA and AC since they are same side..... so u will get AB+BC+DA > BD.

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

    right?

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

    and since AB + BC > BD, AB+BC+DA > BD (thus, proved)

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

    got it?

  24. pratu043
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    But AB+BC+DA > BD is not what we should prove.

  25. jiteshmeghwal9
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1344516745619:dw|

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

    Search OpenStudy
    • 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.