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Ashley10116

  • 2 years ago

Carla drew two triangles; triangle ABC and triangle PQR, on a grid. She planned to cut out the two triangles to make a flag. The vertices of triangle ABC are at A(1, 4), B(-2, -1), and C(3, -2). The vertices of triangle PQR are at P(-3, 0), Q(-2, -4), and R(2, 3). Using the coordinates of the vertices of each triangle explain whether the two triangles are congruent, similar or neither. Note: I understand I have to apply the formula, but I don't know what goes into it. Help is appreciated.

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  1. Ashley10116
    • 2 years ago
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    @ParthKohli @Callisto @dpaInc @AccessDenied @ajprincess

  2. Ashley10116
    • 2 years ago
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    @shivamsinha

  3. shivamsinha
    • 2 years ago
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    1st it seems to be NePAL'S flag!! hehe ;)

  4. Ashley10116
    • 2 years ago
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    ?

  5. Ashley10116
    • 2 years ago
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    Does anyone know how to do this..?

  6. shivamsinha
    • 2 years ago
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    what i think is.... findthe lengths of each sides of the 2 triangles .. and then compare the two triangles!!

  7. Ashley10116
    • 2 years ago
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    Could you help me to do that?

  8. Ashley10116
    • 2 years ago
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    I just need the answer because I don't know how to set it up.

  9. shivamsinha
    • 2 years ago
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    |dw:1338109893305:dw|

  10. shivamsinha
    • 2 years ago
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    c dis is d triangle!!

  11. shivamsinha
    • 2 years ago
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    U KNOW THE DISTANCE FORMULA RIGHT?

  12. Ashley10116
    • 2 years ago
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    Yes, I do, but I was wondering if the two triangles were congruent, similiar, or neither? It looks like neither.

  13. shivamsinha
    • 2 years ago
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    ok..now calculate the sides ...by using distance fomula!!

  14. shivamsinha
    • 2 years ago
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    and then compae get it?

  15. Ashley10116
    • 2 years ago
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    No, I'm still lost.

  16. shivamsinha
    • 2 years ago
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    *compare

  17. Callisto
    • 2 years ago
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    When you get the distance, you can compare them Same length of side pairs=> congruent Length are in ratio => similar Neither => neither

  18. shivamsinha
    • 2 years ago
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    ok first u calculate the distances ..and then temme!!

  19. shivamsinha
    • 2 years ago
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    @Callisto .....hell yeah!

  20. Ashley10116
    • 2 years ago
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    Can someone show me how to get the distance? I know the formula, but not what to plug in.

  21. Callisto
    • 2 years ago
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    \[AB=\sqrt{(1-(-2))^2 + (4-(-1))^2} = \sqrt{(3)^2 + (5)^2} = \sqrt{34}\]

  22. shivamsinha
    • 2 years ago
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    c callisti did it already... @Callisto how r u so fast in latex??

  23. Ashley10116
    • 2 years ago
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    So what would the answer be?

  24. Callisto
    • 2 years ago
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    I've typed that about 10 minutes ago :|

  25. shivamsinha
    • 2 years ago
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    u try it urslf.. callisto has given u hint

  26. Callisto
    • 2 years ago
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    You need to find out all the length first :|

  27. Ashley10116
    • 2 years ago
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    I don't understand how. ):

  28. shivamsinha
    • 2 years ago
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    ooo ...lol

  29. Ashley10116
    • 2 years ago
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    Hahaha.

  30. shivamsinha
    • 2 years ago
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    c dis ... u'll undrstnd http://www.teacherschoice.com.au/maths_library/trigonometry/triangle_given_3_points.htm

  31. Ashley10116
    • 2 years ago
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    Ok, I will work it out.

  32. shivamsinha
    • 2 years ago
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    its an example!!

  33. Ashley10116
    • 2 years ago
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    It is neither?

  34. Callisto
    • 2 years ago
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    I think so

  35. Ashley10116
    • 2 years ago
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    Yay!

  36. shivamsinha
    • 2 years ago
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    yep!

  37. shivamsinha
    • 2 years ago
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    congo!!

  38. Callisto
    • 2 years ago
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    here's the graph :|

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  39. Ashley10116
    • 2 years ago
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    :)

  40. Ashley10116
    • 2 years ago
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    The vertices of triangle PQR on a coordinate grid are P(1, 5), Q(1, 3), and R(3, 2). Provide the coordinates of the vertices A, B, and C of triangle ABC that is congruent to PQR and explain why the two triangles are congruent. Do you understand this?

  41. shivamsinha
    • 2 years ago
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    are u doing your home work her??

  42. shivamsinha
    • 2 years ago
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    c'mon do it!!

  43. Ashley10116
    • 2 years ago
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    I am taking questions from a review and trying to figure them out.

  44. Ashley10116
    • 2 years ago
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    I don't know what it is asking for. If the two triangles are congruent, they equal each other.

  45. shivamsinha
    • 2 years ago
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    see.. if two triangles ar congruent means .. there all sides are equal.. and allangles are equal!!

  46. Ashley10116
    • 2 years ago
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    So on a graph, it would be on the opposite side of the first?

  47. shivamsinha
    • 2 years ago
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    not necessary ... but yes eevn that is a possibility ..

  48. shivamsinha
    • 2 years ago
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    there are many possibilities

  49. Ashley10116
    • 2 years ago
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    A(2,6) B(2,4) C(4,3) Is this congruent to the first?

  50. shivamsinha
    • 2 years ago
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    yep

  51. shivamsinha
    • 2 years ago
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    best method to find answers for such question is ... add or subtract a constant to all the coordinates!!

  52. Ashley10116
    • 2 years ago
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    TY

  53. shivamsinha
    • 2 years ago
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    wcum ..srry 4 dis... bt medal!!

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