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The sum of the measures of

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The sum of the measures of [#permalink] New post   07 Apr 2021, 22:38
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The sum of the measures of ∠13 and ∠10 is 160°.
\(a || b\)
\(c || d\)

Quantity A
Quantity B
the measure of ∠4
the measure of ∠11



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

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Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
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Re: The sum of the measures of [#permalink] New post   08 Apr 2021, 02:15
i got right answer but i have doubt that question don't mention these lines given in problem are parallel.....then answer shouldn't be otion d....
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Re: The sum of the measures of [#permalink] New post   08 Apr 2021, 04:52
In the question, it is not mentioned either the lines are parallel or not. I think the answer should be D.

Is there some implicit mention of parallel lines in the question statement?
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Re: The sum of the measures of [#permalink] New post   08 Apr 2021, 06:01
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nurakib wrote:
In the question, it is not mentioned either the lines are parallel or not. I think the answer should be D.

Is there some implicit mention of parallel lines in the question statement?


Some people use the construct of adding arrows to parallel lines to show that they are parallel (as in the given diagram).
That said, I've never seen an official GRE question used this same construct.

To avoid any ambiguity, I have added some extra information in the question to show that those lines are parallel
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Re: The sum of the measures of [#permalink]
08 Apr 2021, 06:01
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