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What is X.

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Director
Joined: 10 Feb 2006
Posts: 664
Followers: 3

Kudos [?]: 123 [0], given: 0

What is X. [#permalink]  19 Nov 2007, 15:32
Please accept my apologies for poor word drawing. See if you could decipher through this problem. Thanks
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what is x.doc [25.5 KiB]

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SVP
Joined: 29 Aug 2007
Posts: 2497
Followers: 57

Kudos [?]: 556 [0], given: 19

Re: What is X. [#permalink]  19 Nov 2007, 17:01
Please accept my apologies for poor word drawing. See if you could decipher through this problem. Thanks

I think it should be E as no value for an angle is given.
Director
Joined: 13 Dec 2006
Posts: 521
Location: Indonesia
Followers: 6

Kudos [?]: 105 [0], given: 0

I agree,

Both the equations are insufficient, even on clubbing them together its I am not able to get the value of that angle...

Going with E

Amar
VP
Joined: 09 Jul 2007
Posts: 1108
Location: London
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Kudos [?]: 74 [0], given: 0

It is C,
see the attachment
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what_is_x_176.doc [28 KiB]

Director
Joined: 08 Jun 2007
Posts: 584
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Kudos [?]: 79 [0], given: 0

Ravshonbek wrote:
It is C,
see the attachment

C it is as. But I don't get 45. Actually it depends on what you are seing as x
Director
Joined: 10 Feb 2006
Posts: 664
Followers: 3

Kudos [?]: 123 [0], given: 0

Ravshonbek : How did you get this --

R+2b=180
T+2a=180
a+b+x=180 -- x=180-a-b

90+180-a+180-b+x=360
90-a-b+180-a-b=0
-2a-2b=-270
a+b=135

x=180-(a+b) from above
x=45
C
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