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If l1 is parallel to l2, what is x + 2y?
[#permalink]
28 Oct 2014, 07:18
28 Oct 2014, 07:18
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5
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Expert Reply
00:00
A
B
C
D
E
Difficulty:
5%
(low)
Question Stats:
91%
(00:48)
correct
9%
(01:13)
wrong
based on 396
sessions
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Tough and Tricky questions: Coordinate Geometry.
Attachment:
2014-10-28_1914.png [ 18.23 KiB | Viewed 10719 times ]
A. 90
B. 120
C. 180
D. 270
E. 360
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Intern
Joined: 16 Jul 2014
Posts: 5
GMAT Date: 01-23-2015
GPA: 3
WE:Human Resources (Investment Banking)
Re: If l1 is parallel to l2, what is x + 2y?
[#permalink]
28 Oct 2014, 07:48
28 Oct 2014, 07:48
3
Kudos
Interior angle of l1 and l2 is same and equal to 2x.
Also 2x+4y = 180 which implies x+2y =90.
Hope this is correct.. +1 Kudos if correct
Also 2x+4y = 180 which implies x+2y =90.
Hope this is correct.. +1 Kudos if correct
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Joined: 27 Dec 2012
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Concentration: General Management, Technology
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Re: If l1 is parallel to l2, what is x + 2y?
[#permalink]
29 Oct 2014, 00:04
29 Oct 2014, 00:04
1
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1
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Answer = A = 90
2014-10-28_1914.png [ 18.56 KiB | Viewed 10536 times ]
Alternate angles are same; so 4y + 2x = 180
x + 2y = 90
Attachment:
2014-10-28_1914.png [ 18.56 KiB | Viewed 10536 times ]
Alternate angles are same; so 4y + 2x = 180
x + 2y = 90
Re: If l1 is parallel to l2, what is x + 2y?
[#permalink]
29 May 2016, 06:22
29 May 2016, 06:22
Bunuel wrote:
Tough and Tricky questions: Coordinate Geometry.
Attachment:
2014-10-28_1914.png
If l1 is parallel to l2, what is x + 2y?A. 90
B. 120
C. 180
D. 270
E. 360
The shown angles are such that they are supplementary. (Vertically opposite angle of 2x will also have a value of 2x. That angle + 4y = 180). Or Corresponding angle of 4y will make a supplementary pair with 2x)
2x+4y = 180
x+2y =90
Option A is the answer.
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Re: If l1 is parallel to l2, what is x + 2y?
[#permalink]
31 Mar 2020, 09:49
31 Mar 2020, 09:49
Bunuel wrote:
Tough and Tricky questions: Coordinate Geometry.
Attachment:
2014-10-28_1914.png
If l1 is parallel to l2, what is x + 2y?A. 90
B. 120
C. 180
D. 270
E. 360
2x + 4y = 180
x + 2y = 90
IMO A
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Kinshook Chaturvedi
Email: kinshook.chaturvedi@gmail.com
Email: kinshook.chaturvedi@gmail.com
gmatclubot
Re: If l1 is parallel to l2, what is x + 2y? [#permalink]
31 Mar 2020, 09:49
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