Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Dallasb22

Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if LINE XY is PARALLEL TO LINE AC

  • one year ago
  • one year ago

  • This Question is Closed
  1. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    BY = 3, YC = 2

    • one year ago
    1 Attachment
  2. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    @tcarroll010 Some help please?

    • one year ago
  3. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    thats a ratio of 3:5?

    • one year ago
  4. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    Lol, is it?

    • one year ago
  5. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348331164200:dw|

    • one year ago
  6. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    Isn't that 5:2?

    • one year ago
  7. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    then the area of the top one is 9 and the bigger triangle is 25

    • one year ago
  8. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\frac{ 3^{2} }{ 5^{2}}\]

    • one year ago
  9. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    9/25

    • one year ago
  10. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348331474528:dw|

    • one year ago
  11. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    I'm sorry i don't understand how you are getting this Mind running me through the first steps?

    • one year ago
  12. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348331540707:dw|

    • one year ago
  13. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348331623710:dw|

    • one year ago
  14. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    then the pictures above show them on top of each other

    • one year ago
  15. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    How did you get 10?

    • one year ago
  16. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    The ratio of the sides is equal if there are parallel lines

    • one year ago
  17. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    because they are similar

    • one year ago
  18. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    because you are just extending the sides of the smaller one yes?

    • one year ago
  19. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh yes

    • one year ago
  20. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    So the scale used to increase the smaller one is 3:5

    • one year ago
  21. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    so i made one of the sides = 6 and that is an easy ratio to do

    • one year ago
  22. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    i just multipled the ratio by 2

    • one year ago
  23. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    so 6:10

    • one year ago
  24. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    Ohhhh. Okay

    • one year ago
  25. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    and since area is basically multiplying the ratio of the sides

    • one year ago
  26. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    3/5 * 3/5

    • one year ago
  27. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\frac{ 3^2 }{ 5^2 }\]

    • one year ago
  28. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    9/25 is the answer

    • one year ago
  29. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    9/25? not 9:25?

    • one year ago
  30. Freyes
    Best Response
    You've already chosen the best response.
    Medals 1

    same thing

    • one year ago
  31. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    Ok cool

    • one year ago
  32. Dallasb22
    Best Response
    You've already chosen the best response.
    Medals 0

    What if BY = 2, BC = 4?

    • one year ago
    • Attachments:

See more questions >>>

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.