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In the diagram below, BD is parallel to XY. What is the value of x? Note: BD and XY have the little line over them but I have no idea how to put it. (Picture below.)

Mathematics
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I'd say 55. Am I right? Or it's 125?
HINT: x and 125 are supplementary...

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Other answers:

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ur correct....
How do I know if they're supplementary?
because it's a straight line
they're a linear pair
It would add up to equal 180
How do I know if I should put 55 or 125 because last time I did a problem like that and the answer was the same as 125.
it's 55
i did the math on that pic i posted
Does it have to do with the lines? For example this question:
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Its the lower angle (It looks smaller so it has to be 55)
^ The answer for that one was 67.
right, because those angles were alternate exterior angles
Supplementary lines: subtract from 180. Alternate exterior angles: the same as the other line. Am I right? If yes, how do I know the difference from both of the different lines?
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that shows congruency
and any angles who are on a straight line add up to 180
because, it's a straight line and straight lines are 180 degrees
does that make sense?
I think so... Okay, let me see if I've got it. Okay, so for that one... That's a Alternate exterior angle?
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those are corresponding angles
X is corresponding
they are congruent too though
See... That's what I don't understand. How do you guys know they are congruent. Sorry. i'm stupid. :/
look at the pic i posted
it shows all angles that are congruent
All lines are 180. So whenever we have an angles like that they will always equal 180 degrees together
Wait... I'm thinking haha.
Okay, so if they're congruent that means they have the same number right? 110 would be the answer for that one?
yea
Thats right
Okay so for this one it isn't congruent am i right? so the answer would be 75?
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those are congruent
they are also corresponding angles
They are corresponding because they are in similar places
AHHHHHHHHHHHHHHHHHHH. I DON'T GET THIS.
:/ i'm not sure how to explain it
Hmm hold on
|dw:1349397323829:dw| 1 and 5 would be corresponding angles because they are in the same places
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if you can read what i wrote lol.
I can! Wait... So that would mean every line is corresponding? Why do I sometimes have to put the same number that's on top and then other times i have to subtract from 180..
Every line isnt corresponding......... For instance in my drawing 1 and 5 are corresponding but not 1 & 6
no, no. i mean those ANGLES are corresponding
the lines are parallel and cut by a tranversal which makes the angles i listed corresponding and congruent
Thank you so much guys!
no problem :) do you understand it better?
yep! I hope so!
good luck with your other questions!
Thank you so much! Seriously!

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