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# In the figure above, what is x + y in terms of z?

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In the figure above, what is x + y in terms of z? [#permalink]  03 Sep 2019, 10:01
Expert's post
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Question Stats:

100% (00:39) correct 0% (00:00) wrong based on 10 sessions
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#greprepclub In the figure above, what is x + y in terms of z.jpg [ 14.19 KiB | Viewed 651 times ]

In the figure above, what is x + y in terms of z?

(A) 180 - z

(B) 180 + z

(C) z - 180

(D) z + 180

(E) z
[Reveal] Spoiler: OA

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Re: In the figure above, what is x + y in terms of z? [#permalink]  03 Sep 2019, 11:26
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Expert's post
Carcass wrote:
Attachment:
#greprepclub In the figure above, what is x + y in terms of z.jpg

In the figure above, what is x + y in terms of z?

(A) 180 - z

(B) 180 + z

(C) z - 180

(D) z + 180

(E) z

Since opposite angles are equal, we know that the following angle is

Now let's focus on the TRIANGLE.
Since angles in a triangle add to 180°, we can write: x + y + z = 180
Subtract z from both sides to get: x + y = 180 - z

Cheers,
Brent

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Re: In the figure above, what is x + y in terms of z? [#permalink]  06 Sep 2019, 02:33
option A
Re: In the figure above, what is x + y in terms of z?   [#permalink] 06 Sep 2019, 02:33
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