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what is the sum of angles x and y?

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LulaBrazilia Master | Next Rank: 500 Posts Default Avatar
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what is the sum of angles x and y?

Post Thu Mar 06, 2014 9:05 am


What is the value of x+y in the figure above?

1) w=95
2) z=125

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Post Thu Mar 06, 2014 5:31 pm
Here's a pretty straightforward approach:


ttp://postimg.org/image/498i6nwyh/" target="_blank">

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Post Thu Mar 06, 2014 9:17 am
Remember that a 4-sided polygon must have (4-2)*180 = 360 degrees total. To find x+y, it would be sufficient to find the sum of interior angles opposite x and y, inside the 4-sided polygon. The answer is C. I go through the question in detail in the full solution below (taken from the GMATFix App).

ttp://www.youtube.com/watch?v=Mz8vkJejcFs" target="_blank">

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Matt@VeritasPrep GMAT Instructor
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Post Thu Mar 06, 2014 5:31 pm
Here's a pretty straightforward approach:


ttp://postimg.org/image/498i6nwyh/" target="_blank">

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