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VP
Joined: 30 Jun 2008
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13 Oct 2008, 06:46
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"You have to find it. No one else can find it for you." - Bjorn Borg

SVP
Joined: 17 Jun 2008
Posts: 1529

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13 Oct 2008, 11:13
Agree with D.

From stmt1: angle PRS = angle RQP + angle RPQ and since RPQ is 30, the difference is 30.

stmt2 essentially is the same as stmt2.
VP
Joined: 30 Jun 2008
Posts: 1026

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13 Oct 2008, 17:45
scthakur wrote:
Agree with D.

From stmt1: angle PRS = angle RQP + angle RPQ and since RPQ is 30, the difference is 30.

stmt2 essentially is the same as stmt2.

Ahh !! exterior angles I get it now..... Is there any other way to approach ??
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13 Oct 2008, 21:50
amitdgr wrote:
scthakur wrote:
Agree with D.

From stmt1: angle PRS = angle RQP + angle RPQ and since RPQ is 30, the difference is 30.

stmt2 essentially is the same as stmt2.

Ahh !! exterior angles I get it now..... Is there any other way to approach ??

You can also get the same by equating the sum of angles of triangles PQS and PRS.
Re: DS : GEOMETRY   [#permalink] 13 Oct 2008, 21:50
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