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pooja195

  • one year ago

Can someone please check these? Just need to know whether my answers are correct or incorrect.(need help with #9) http://prntscr.com/8atxmk 8.QTN 9.not sure 10.Point N 11.Point L

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  1. jim_thompson5910
    • one year ago
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    #11 is incorrect

  2. jim_thompson5910
    • one year ago
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    you should get a line or line segment for #11

  3. jim_thompson5910
    • one year ago
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    for #9, list 4 points such that they all do NOT lie on the same flat surface

  4. pooja195
    • one year ago
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    #11 would be line LM right? and #9 would be... P,Q,T,N ?

  5. jim_thompson5910
    • one year ago
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    |dw:1440989885495:dw|

  6. jim_thompson5910
    • one year ago
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    |dw:1440989933352:dw|

  7. jim_thompson5910
    • one year ago
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    plane LMN is the front face |dw:1440989980794:dw| this face is visible

  8. jim_thompson5910
    • one year ago
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    plane QLS is hidden and it's the left face |dw:1440990010268:dw|

  9. jim_thompson5910
    • one year ago
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    what points do these two planes have in common?

  10. pooja195
    • one year ago
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    Q,L,S?

  11. jim_thompson5910
    • one year ago
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    just Q and L, not S

  12. jim_thompson5910
    • one year ago
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    |dw:1440990090664:dw|

  13. jim_thompson5910
    • one year ago
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    so segment QL is the intersection of those two planes

  14. jim_thompson5910
    • one year ago
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    ie the corner edge where they meet

  15. pooja195
    • one year ago
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    ah ok got it thanks :)

  16. pooja195
    • one year ago
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    and is #9 correct?

  17. jim_thompson5910
    • one year ago
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    |dw:1440990197545:dw|

  18. jim_thompson5910
    • one year ago
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    Q,T,N all lie on the front plane, while P is not on that same plane. So it appears they are noncoplanar BUT notice how they all lie on the "floor" or bottom plane/face |dw:1440990328881:dw|

  19. pooja195
    • one year ago
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    so they are coplanar.....but there are no other points that fit what the book wants! ;-;

  20. jim_thompson5910
    • one year ago
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    why not move from point P and move upward? |dw:1440990416684:dw| and pick on S instead

  21. jim_thompson5910
    • one year ago
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    or you can change N to M

  22. jim_thompson5910
    • one year ago
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    there are other ways to do it as well

  23. pooja195
    • one year ago
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    ok makes sense thanks :)

  24. jim_thompson5910
    • one year ago
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    you're welcome

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