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anonymous

  • one year ago

Which set of vertices forms a parallelogram? A(2,4), B(3, 3), C(6, 4), D(5, 6) A(-1, 1), B(2, 2), C(5, 1), D(4, 1) A(-5, -2), B(-3, 3), C(3, 5), D(1, 0) A(-1, 2), B(1, 3), C(5, 3), D(1, 1)

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  1. campbell_st
    • one year ago
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    well one thought is to plot them and see which looks like a parallelogram and then find the slopes of the opposite sides to see if they are parallel here is the 1st choice, does it look like a parallelogram

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  2. anonymous
    • one year ago
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    No, it does not @campbell_st

  3. campbell_st
    • one year ago
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    ok... so ignore choice A so then plot the points for B here is option B check the points are correct and decide if its a parallelogram

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  4. campbell_st
    • one year ago
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    just repeat the process with the last 2 choices

  5. anonymous
    • one year ago
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    Okay, so after plotting the points for B, i do think that it is a Parallelogram Am i correct? @campbell_st

  6. anonymous
    • one year ago
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    U need to test the distance between each two points. When the distance of some opposite pair of sides are equal (I.e for example side 1,3 equal. And side 2,4) If that's true, u can now check the slope of the equal sides, if the slopes r equal, then it' parallelogram. For this question however, I believe the choices can be eliminated by the inequality of the length of opposite sides, which makes the procedure faster

  7. anonymous
    • one year ago
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    Hi, @Ahmad-nedal I'm still very lost. :( I thank you in advance for all the help you offer me.

  8. anonymous
    • one year ago
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    Oooh ur so welcome @studyhard6573 :) Now let's getdown for business

  9. anonymous
    • one year ago
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    I'm having some problem in sketching from device unfortunately. Anyhow, let's assume I have the points (-1,-1),(1,1),(1,-1)(-1,1)

  10. anonymous
    • one year ago
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    The distqnce between the points (-1,-1) ,(-1,1) equals the distance between (1,1),(1,-1),the same holds for the horizontal distance the points parallel to xaxis

  11. anonymous
    • one year ago
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    Now u can check the slopes of the equal lengths (which r the sides of the parallelogramgram), theymus be parallel, right. Fortunately they are, since the slope lines are equal. Then we proved it's a prallelogram

  12. anonymous
    • one year ago
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    I hope that was good enough

  13. anonymous
    • one year ago
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    It was very helpful, and i got the answer right. Thank you so much.

  14. anonymous
    • one year ago
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    You are welcome :)

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