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Dallasb22 Group Title

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

  • 2 years ago
  • 2 years ago

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  1. Dallasb22 Group Title
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    BY = 3, YC = 2

    • 2 years ago
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  2. Dallasb22 Group Title
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    @tcarroll010 Some help please?

    • 2 years ago
  3. Freyes Group Title
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    thats a ratio of 3:5?

    • 2 years ago
  4. Dallasb22 Group Title
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    Lol, is it?

    • 2 years ago
  5. Freyes Group Title
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    |dw:1348331164200:dw|

    • 2 years ago
  6. Dallasb22 Group Title
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    Isn't that 5:2?

    • 2 years ago
  7. Freyes Group Title
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    then the area of the top one is 9 and the bigger triangle is 25

    • 2 years ago
  8. Freyes Group Title
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    \[\frac{ 3^{2} }{ 5^{2}}\]

    • 2 years ago
  9. Freyes Group Title
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    9/25

    • 2 years ago
  10. Freyes Group Title
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    |dw:1348331474528:dw|

    • 2 years ago
  11. Dallasb22 Group Title
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    I'm sorry i don't understand how you are getting this Mind running me through the first steps?

    • 2 years ago
  12. Freyes Group Title
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    |dw:1348331540707:dw|

    • 2 years ago
  13. Freyes Group Title
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    |dw:1348331623710:dw|

    • 2 years ago
  14. Freyes Group Title
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    then the pictures above show them on top of each other

    • 2 years ago
  15. Dallasb22 Group Title
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    How did you get 10?

    • 2 years ago
  16. Freyes Group Title
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    The ratio of the sides is equal if there are parallel lines

    • 2 years ago
  17. Freyes Group Title
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    because they are similar

    • 2 years ago
  18. Freyes Group Title
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    because you are just extending the sides of the smaller one yes?

    • 2 years ago
  19. Dallasb22 Group Title
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    Oh yes

    • 2 years ago
  20. Freyes Group Title
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    So the scale used to increase the smaller one is 3:5

    • 2 years ago
  21. Freyes Group Title
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    so i made one of the sides = 6 and that is an easy ratio to do

    • 2 years ago
  22. Freyes Group Title
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    i just multipled the ratio by 2

    • 2 years ago
  23. Freyes Group Title
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    so 6:10

    • 2 years ago
  24. Dallasb22 Group Title
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    Ohhhh. Okay

    • 2 years ago
  25. Freyes Group Title
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    and since area is basically multiplying the ratio of the sides

    • 2 years ago
  26. Freyes Group Title
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    3/5 * 3/5

    • 2 years ago
  27. Freyes Group Title
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    \[\frac{ 3^2 }{ 5^2 }\]

    • 2 years ago
  28. Freyes Group Title
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    9/25 is the answer

    • 2 years ago
  29. Dallasb22 Group Title
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    9/25? not 9:25?

    • 2 years ago
  30. Freyes Group Title
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    same thing

    • 2 years ago
  31. Dallasb22 Group Title
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    Ok cool

    • 2 years ago
  32. Dallasb22 Group Title
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    What if BY = 2, BC = 4?

    • 2 years ago
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