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Ashely14

  • one year ago

Three vertices of a rectangle are given. Find the coordinates of the fourth vertex. (0, 5), (5, 0), (2, –3) A. (–3, 2) B. (2, –3) C. (3, 2) D. (3, –2)

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  1. Ashely14
    • one year ago
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    @adajiamcneal @zepdrix @ChelseaLee

  2. anonymous
    • one year ago
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    mid points of diagonals are same.

  3. Ashely14
    • one year ago
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    so B. ? @surjithayer

  4. zepdrix
    • one year ago
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    You should be able to figure this one out by doing a quick sketch of the graph :)

  5. zepdrix
    • one year ago
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    |dw:1442535671913:dw|

  6. zepdrix
    • one year ago
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    |dw:1442535720221:dw|So the last point has to be somewhere over here, ya?

  7. Ashely14
    • one year ago
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    ya

  8. zepdrix
    • one year ago
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    So of the options they gave us, which ones lie up there in the second quadrant?

  9. zepdrix
    • one year ago
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    Just a quick note: B is certainly not the correct option, as that is already one of our points. Having the same point twice doesn't give us a rectangle D:

  10. Ashely14
    • one year ago
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    a

  11. zepdrix
    • one year ago
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    |dw:1442536209365:dw|A? Yayyy good job! :) Looks like that one fits perfectly.

  12. Ashely14
    • one year ago
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    thanks for you help

  13. anonymous
    • one year ago
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    |dw:1442552259735:dw|

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spraguer (Moderator)
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