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GMAT Prep Problem.

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by farooq » Tue Jun 09, 2009 10:21 am
Hi,

Please let me know how we can solve this problem.

Thanks
Farooq
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Regards,
Farooq Farooqui.
London. UK

It is your Attitude, not your Aptitude, that determines your Altitude.
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by yogami » Tue Jun 09, 2009 10:51 am
IMO (A) is the answer

(1) says that BDis also of length 6. Because angle DAB = angle ABD because ( angle DAB + angle ABD + angle ADB = 180 so x + angle ABD + 180 - 2x = 180, so angle ABD = x and the triangle ABD is isosceles). But triangle BCD is isosceles too so BC = BD = 6 and this is suff

(2) insufficient because that structure can be as small as a bacteria when seen under a microscope and as large as the size of our galaxy and beyond if only the angles are known so we can never tell the length of any side
200 or 800. It don't matter no more.
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by tohellandback » Tue Jun 09, 2009 11:21 pm
IMO A
same reasoning as above
The powers of two are bloody impolite!!
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More help on this

by prasantnaidu » Tue Jun 09, 2009 11:31 pm
@Farooq.
You can look into this link for a detail explanation :)

https://www.beatthegmat.com/gmatprep-pra ... t1615.html

Keep Rocking,
Prasant.
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