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

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Director
Joined: 19 Nov 2004
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In the parallelogram shown, what is the value of x? (1) y = [#permalink]

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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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Manager
Joined: 11 Jan 2005
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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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Director
Joined: 07 Jun 2004
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03 Feb 2005, 06:44
d

adjectnt angles are totaled to 180 opp angles are =

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Director
Joined: 27 Dec 2004
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03 Feb 2005, 06:57
I agree with D. EAch one of them is sufficient to find x.

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Director
Joined: 19 Nov 2004
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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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Manager
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04 Feb 2005, 12:49
D.
Both are independently suff.

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04 Feb 2005, 12:49
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