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x + y?

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by grandh01 » Tue Sep 25, 2012 9:29 pm
In the figure above, what is the value of x + y?
(1) ANGLE DCA = 35
(2) ANGLE CAB = 70

OA IS E
I have attached the image.
Thanks in advance.
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Source: — Data Sufficiency |
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by anuprajan5 » Tue Sep 25, 2012 10:30 pm
Hi,

Statement 1 - Angle DCA = 35. It does not tell us what x or y is. Plus I do not know what CAD is to determine y. Insufficient

Statement 2 - Angle CAB = 70. It does not tell us what x or y is. If I had ACB, we could have determined x. Insufficient

Combined - - Angle DCA = 35 and Angle CAB still do not help us determine x and y. Insufficient.

Hence E.
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