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Which is greater x+y or 180

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Which is greater x+y or 180 [#permalink] New post 08 Oct 2019, 15:30
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Quantity A
Quantity B
x+y
180


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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[Reveal] Spoiler: OA

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Re: Which is greater x+y or 180 [#permalink] New post 09 Oct 2019, 09:36
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x=70,y=130(exterior angle property)
QA:200
QB:180
so A
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Re: Which is greater x+y or 180 [#permalink] New post 12 Oct 2019, 00:04
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exerior angles = sum of other two interior angles
i.e., x=50+20
x=70

similarly.....

y=x+60
y=70+60
y=130

A : x+y=70+130 = 200
B : 180
Therefore A is greater
Re: Which is greater x+y or 180   [#permalink] 12 Oct 2019, 00:04
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Which is greater x+y or 180

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