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In the figure, if x = 100 and y = 110, then z =
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amorphous
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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
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Yiddo_Bhushan
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Re: In the figure, if x = 100 and y = 110, then z = [#permalink] New post  30 Mar 2018, 01:08
1
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
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prakritipandey
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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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JeffTargetTestPrep
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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 Reply
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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