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GMAT Prep question - Geometry

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by aneesh.kg » Mon Apr 30, 2012 10:14 am
We need:
angle PRS - angle PQR
=(180 - angle PRQ) - angle PQR
= 180 - (angle PRQ + angle PQR)
= angle QPR

So all we need is to see if the angle QPR can be found.

Statement (1): angle QPR = 30
SUFFICIENT
Statement (2): angle PQR + angle PRQ = 150
or, angle QPR = 30
SUFFICIENT

(D) should be the answer
Aneesh Bangia
GMAT Math Coach
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