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In the figure above, lines l1 and l2 are parallel. What is the value

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In the figure above, lines l1 and l2 are parallel. What is the value  [#permalink]

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New post 19 Oct 2019, 03:38
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A
B
C
D
E

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  15% (low)

Question Stats:

94% (00:30) correct 6% (00:15) wrong based on 32 sessions

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Re: In the figure above, lines l1 and l2 are parallel. What is the value  [#permalink]

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New post 19 Oct 2019, 03:48
1. x+y=180 , value of y given . Hence, we can find out x
2. x=z (corresponding angles are equal). Hence we can determine the value of x.

Since both are individually sufficient. Answer- D
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Re: In the figure above, lines l1 and l2 are parallel. What is the value  [#permalink]

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New post 19 Oct 2019, 08:24
both are sufficient
1) x+y = 180
y = 87
thus x = 180-87 = 93 sufficient
2) given z = 93 and z = x corresponding equal angles since l1 and l2 are parallel
hence x = 93 sufficient
thus D
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Re: In the figure above, lines l1 and l2 are parallel. What is the value  [#permalink]

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New post 19 Oct 2019, 09:35
In the figure above, lines l1 and l2 are parallel. What is the value of x ?

(1) y = 87, X+y =180 as both are supplementary, so X = 93, sufficient.
(2) z = 93, sufficient. X and z are corresponding angles of two parallel lines.

Imo. D

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Re: In the figure above, lines l1 and l2 are parallel. What is the value   [#permalink] 19 Oct 2019, 09:35
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In the figure above, lines l1 and l2 are parallel. What is the value

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