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Alternate Segment Theorem

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Source: — Data Sufficiency |
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by Night reader » Tue Nov 23, 2010 7:36 am
goyalsau wrote:Help Guys......
deleted (C)

angle properties follow: ABD=AGD means CAF=DAF which is not true.

all other properties are tested as equal; solution comes from one theorem (theorems need to be memorized).
Last edited by Night reader on Tue Nov 23, 2010 10:37 am, edited 1 time in total.
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by goyalsau » Tue Nov 23, 2010 8:06 am
Night reader wrote:
goyalsau wrote:Help Guys......
the answer must be C!

angle properties follow: ABD=AGD means CAF=DAF which is not true.

all other properties are tested as equal; solution comes from one theorem (theorems need to be memorized).
I am not able to understand How Case is possible Angle BAE = Angle ADB

As i know Angle BAE = Angle BCA

How Angle BCA = Angle ADB
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by Night reader » Tue Nov 23, 2010 10:37 am
goyalsau wrote:
Night reader wrote:
goyalsau wrote:Help Guys......
the answer must be C!

angle properties follow: ABD=AGD means CAF=DAF which is not true.

all other properties are tested as equal; solution comes from one theorem (theorems need to be memorized).
I am not able to understand How Case is possible Angle BAE = Angle ADB

As i know Angle BAE = Angle BCA

How Angle BCA = Angle ADB

Yes, you are right; I've edited my solution.
we are left with pair (I) - answer A
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My knowledge frontiers came to evolve the GMATPill's methods - the credited study means to boost the Verbal competence. I really like their videos, especially for RC, CR and SC. You do check their study methods at https://www.gmatpill.com
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