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circle question with two secants(chords) and one tangent

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by raunekk » Wed Nov 05, 2008 4:26 am
gawd!!!

i dont know how to initiate in tis... :shock:

anyone??

sudhir, reachac???
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by jimmiejaz » Wed Nov 05, 2008 5:26 am
raunekk wrote:gawd!!!

i dont know how to initiate in tis... :shock:

anyone??

sudhir, reachac???
the ans for 1st ques is (75+36)/2 = 55.5
the ans for 2nd ques is (114+36)/2 = 75.

hope it helps
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by Fab » Wed Nov 05, 2008 8:27 am
B is clear.
What's the theory for A?

THANKS.
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by jimmiejaz » Wed Nov 05, 2008 8:35 am
Fab wrote:B is clear.
What's the theory for A?

THANKS.
Hi all,

will suggest all of you to go through this link.
https://regentsprep.org/Regents/mathb/5A ... Angles.htm
It is really helpful.
After reading you will get the answer, but since u asked, the angle drawn by then tangent with the chord as given in the original circle is half the angle of the intercepted arc. Here AC is the minor arc. So, angle made by the tangent is (75+36)/2.
If you guys can pls post the OA, it will be really helpful for all of us.

Hope it helps everyone..
Keep rocking guys!!!!!
4days to go to GMAT again!!!!!
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by Fab » Wed Nov 05, 2008 9:12 am
Thanks, good luck!
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by raunekk » Wed Nov 05, 2008 9:14 am
@jimmiejaz

thanks a lot...

all d best...

go for it...


YES YOU CAN!! :)
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by jimmiejaz » Wed Nov 05, 2008 4:46 pm
thanks a lot for encouragin guys
i really need it....

keep rocking!!!!!!!
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