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Lime Group Title

Angles LSM and OSN are vertical angles. True or false?

  • one year ago
  • one year ago

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  1. Lime Group Title
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    • one year ago
  2. Geometry_Hater Group Title
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    Do they look vertically opposite to you?

    • one year ago
  3. Lime Group Title
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    Yes, so that's probably false. Maybe the angles are a linear pair?

    • one year ago
  4. juantweaver Group Title
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    Look up the definition of vertical angles. http://www.mathsisfun.com/geometry/vertical-angles.html

    • one year ago
  5. Lime Group Title
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    \[\angle LSM = 145 + 35\]

    • one year ago
  6. Lime Group Title
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    Degrees, that is. \[\angle OSN = 90\]

    • one year ago
  7. juantweaver Group Title
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    there is no way to know the actual degrees in this diagram with no given angle information. However, we can state if the angles are vertical or not.

    • one year ago
  8. Lime Group Title
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    So, the angles are a linear pair? Both supplementary and adjacent.

    • one year ago
  9. Lime Group Title
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    I'm using a protractor.

    • one year ago
  10. juantweaver Group Title
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    LSM and OSN are vertical angles, they are equal.

    • one year ago
  11. Lime Group Title
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    But vertical angles are congruent. Horizontally, LSO and MNS are congruent, but not vertically.

    • one year ago
  12. juantweaver Group Title
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    The vertical is just a term, it doesn't actually mean it has to be vertical it simply means/...|dw:1347485797597:dw|

    • one year ago
  13. juantweaver Group Title
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    angle a = angle b & angle d = angle c

    • one year ago
  14. Lime Group Title
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    It's still odd how each angle equals 180 and 90 degrees. Why wouldn't they be a linear pair? If I center the protractor on S, then each angle can be identified as 145 + 35 and 90 degrees.

    • one year ago
  15. juantweaver Group Title
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    the adjacent angles are supplemental so i understand where you are getting the 180 but am unsure of where your 90 degrees is coming from...

    • one year ago
  16. Lime Group Title
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    |dw:1347486382654:dw|

    • one year ago
  17. juantweaver Group Title
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    |dw:1347486588698:dw|

    • one year ago
  18. Lime Group Title
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    It doesn't matter if the angle is smaller? The top and the bottom just don't seem that equal to each-other.

    • one year ago
  19. juantweaver Group Title
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    by top and bottom do you mean...|dw:1347486791023:dw|

    • one year ago
  20. juantweaver Group Title
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    Top angle would be <LSM and bottom angle would be <OSN

    • one year ago
  21. juantweaver Group Title
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    i think that the fact that the quadrilateral is irregular is throwing you off about the angles. With your protractor you should be able to prove that <LSM = <OSN and that <LSO = <MSN

    • one year ago
  22. Lime Group Title
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    I think so. Wow, what a problem. Thank you very much. :)

    • one year ago
  23. juantweaver Group Title
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    have fun

    • one year ago
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