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# Problem Solving Question #380 in O.G.

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Problem Solving Question #380 in O.G. [#permalink]  29 Jun 2004, 13:26
I know this is going to be real simple, but my question concerning problem #380 in the OG is how did the authors come up with 70degrees for arc OP?

The Roc
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Re: Problem Solving Question #380 in O.G. [#permalink]  29 Jun 2004, 13:56
Roc-a-fella wrote:
I know this is going to be real simple, but my question concerning problem #380 in the OG is how did the authors come up with 70degrees for arc OP?

The Roc

Why do not you put the question itself? Many of us work in different places, and not possible to reach the book.
_________________

gmat2004

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#380 OG [#permalink]  30 Jun 2004, 07:48
yo! jigga!

remember this for a geometry principle that the measure of a minor arc is always twice the opposite angle. thus both minor arc qr and op is 70 degrees...

ahiite!
#380 OG   [#permalink] 30 Jun 2004, 07:48
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