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gurudev
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PostPosted: Fri Sep 05, 2008 4:50 am    Post subject: GMATPrep: Geometry Reply with quote

Please help me!! not able to get the answer after much effort

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4meonly
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PostPosted: Fri Sep 05, 2008 5:24 am    Post subject: Reply with quote

(1;√3)?
so s = 1


Last edited by 4meonly on Fri Sep 05, 2008 5:47 am; edited 1 time in total
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gurudev
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PostPosted: Fri Sep 05, 2008 5:40 am    Post subject: Reply with quote

OA is : 1
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PostPosted: Fri Sep 05, 2008 5:55 am    Post subject: Reply with quote

when one line perpendicular to the other the product of their slope = -1

slope : origin to point p = 1-0/-sqrt3-0 = 1/-srt3

slope : origin to point q = t/s

-1/sqrt3 * t/s = -1

t/s = sqrt3/1

s = 1

Hope its clear.
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gurudev
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PostPosted: Fri Sep 05, 2008 7:05 am    Post subject: Reply with quote

But it is not mentioned in the question that the Center is (0,0) or origin.

It is just named as O. Please help..
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sudhir3127
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PostPosted: Fri Sep 05, 2008 7:55 am    Post subject: Reply with quote

gurudev wrote:
But it is not mentioned in the question that the Center is (0,0) or origin.

It is just named as O. Please help..


if u see the intersection of X and Y coordinate is @ O which is @ orgin. look at the figure on a coordinate plane .
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