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In the parallelogram shown, what is the value of x? (1) y =

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Director
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In the parallelogram shown, what is the value of x? (1) y = [#permalink] New post 02 Feb 2005, 22:40
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In the parallelogram shown, what is the value of x?
(1) y = 2x
(2) x + z = 120
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 [#permalink] New post 02 Feb 2005, 23:01
D - or either solutions is sufficient. as we are talking about a parrallelogram .

opposite angles are equal
sum of side by side angle = 180
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 [#permalink] New post 03 Feb 2005, 06:44
d

adjectnt angles are totaled to 180 opp angles are =
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 [#permalink] New post 03 Feb 2005, 06:57
I agree with D. EAch one of them is sufficient to find x.
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 [#permalink] New post 03 Feb 2005, 15:30
I got this one wrong as I did not realize that adjacent angles of Parallellogram is supplimentary. Now I realize you can prove this concept easily as the two sides are parallel to each other.


D is correct!
You guys rock!
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 [#permalink] New post 04 Feb 2005, 12:49
D.
Both are independently suff.
  [#permalink] 04 Feb 2005, 12:49
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