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Geometry_Hater Group TitleBest ResponseYou've already chosen the best response.0
Do they look vertically opposite to you?
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
Yes, so that's probably false. Maybe the angles are a linear pair?
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
Look up the definition of vertical angles. http://www.mathsisfun.com/geometry/verticalangles.html
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
\[\angle LSM = 145 + 35\]
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
Degrees, that is. \[\angle OSN = 90\]
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
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.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
So, the angles are a linear pair? Both supplementary and adjacent.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
I'm using a protractor.
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
LSM and OSN are vertical angles, they are equal.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
But vertical angles are congruent. Horizontally, LSO and MNS are congruent, but not vertically.
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
The vertical is just a term, it doesn't actually mean it has to be vertical it simply means/...dw:1347485797597:dw
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
angle a = angle b & angle d = angle c
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
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.
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
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...
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
dw:1347486382654:dw
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
dw:1347486588698:dw
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
It doesn't matter if the angle is smaller? The top and the bottom just don't seem that equal to eachother.
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
by top and bottom do you mean...dw:1347486791023:dw
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
Top angle would be <LSM and bottom angle would be <OSN
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
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
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
I think so. Wow, what a problem. Thank you very much. :)
 2 years ago

juantweaver Group TitleBest ResponseYou've already chosen the best response.1
have fun
 2 years ago
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