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# Let's do this one

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Manager
Joined: 20 Aug 2009
Posts: 107
Followers: 2

Kudos [?]: 106 [1] , given: 31

Let's do this one [#permalink]

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31 Aug 2009, 04:29
1
KUDOS
00:00

Difficulty:

(N/A)

Question Stats:

33% (00:00) correct 67% (01:26) wrong based on 6 sessions

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Let's do this one

OA
[Reveal] Spoiler:
C

Senior Manager
Joined: 27 May 2009
Posts: 281
Followers: 2

Kudos [?]: 266 [5] , given: 18

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31 Aug 2009, 06:07
5
KUDOS
C it is
Attachments

183444.jpg [ 304.93 KiB | Viewed 1618 times ]

Manager
Joined: 20 Aug 2009
Posts: 107
Followers: 2

Kudos [?]: 106 [0], given: 31

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31 Aug 2009, 06:11
Thanks and kudos!
I've seen a similar problem before, but forgot...
Manager
Joined: 04 May 2009
Posts: 67
Location: Astoria, NYC
Followers: 1

Kudos [?]: 10 [0], given: 1

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02 Sep 2009, 06:18
Intially I couldn't see how you got angle 1 + angle 6 to be 90.....but I got to open my eyes to see the bigger picture. Good explanation.
Definitely agree with C.
Manager
Joined: 15 Jun 2009
Posts: 163
Followers: 2

Kudos [?]: 40 [0], given: 8

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04 Sep 2009, 10:08
IMO C..too...gr8 effort ...clicking the image on web cam...
n thx...i m taking angles as RQS.....RSQ....taking 1,2,3, makes problem more easy..
Manager
Status: what we want to do, do it as soon as possible
Joined: 24 May 2010
Posts: 114
Location: Vietnam
WE 1: 5.0
Followers: 2

Kudos [?]: 55 [1] , given: 315

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19 Mar 2011, 03:16
1
KUDOS
it is C:
(1) <R + <T = 90 in which:

(2) <R = 180 - <RQS - <RSQ = 180 - 2<RSQ (as RQ = RS)
(3) <T = 180 - <UST - <SUT = 180 - 2<UST ( as ST = TU)

(1) + (2) + (3):
180 - 2<RSQ + 180 - 2<UST = 90
=>360 - 2(<RSQ + <UST) = 90
=> 360 - 2 (180 -x) = 90
=> x= 45
_________________

Consider giving me kudos if you find my explanations helpful so i can learn how to express ideas to people more understandable.

Re: GMATPrep   [#permalink] 19 Mar 2011, 03:16
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# Let's do this one

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