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In the figure, if x = 100 and y = 110, then z =

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Director
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In the figure, if x = 100 and y = 110, then z = [#permalink] New post 30 Mar 2018, 00:30
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In the figure, if x = 100 and y = 110, then z =

A)80
B)70
C)40
D)30
E)10
[Reveal] Spoiler: OA

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Intern
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Kudos [?]: 30 [1] , given: 22

Re: In the figure, if x = 100 and y = 110, then z = [#permalink] New post 30 Mar 2018, 01:08
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The Answer is D 30 degrees :

x = 100 ( Looking at the Figure we can say that x & the angle subtended between y & z Sum is 180 degrees)

Equation is 100 + 110 - z = 180
Intern
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Re: In the figure, if x = 100 and y = 110, then z = [#permalink] New post 31 Mar 2018, 21:17
considering the angles on a straight line,
x+y-z=180
100+110-z=180
z=30

ans:D
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Re: In the figure, if x = 100 and y = 110, then z = [#permalink] New post 21 May 2018, 10:27
Expert's post
amorphous wrote:
In the figure, if x = 100 and y = 110, then z =

A)80
B)70
C)40
D)30
E)10


We see that x + y - z = 180, so:

100 + 110 - z - 180

210 - z = 180

z = 30

Answer: D
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Head of GRE Instruction

GRE Quant Self-Study Course
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Re: In the figure, if x = 100 and y = 110, then z =   [#permalink] 21 May 2018, 10:27
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In the figure, if x = 100 and y = 110, then z =

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