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# What is the value of y in the figure?

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Math Expert
Joined: 02 Sep 2009
Posts: 59588
What is the value of y in the figure?  [#permalink]

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05 Apr 2019, 01:45
00:00

Difficulty:

5% (low)

Question Stats:

92% (00:35) correct 8% (01:04) wrong based on 25 sessions

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What is the value of y in the figure?

(A) 20
(B) 30
(C) 35
(D) 45
(E) 50

Attachment:

2019-04-05_1244.png [ 31.71 KiB | Viewed 418 times ]

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Joined: 06 Jan 2015
Posts: 697
Location: India
Concentration: Operations, Finance
GPA: 3.35
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Re: What is the value of y in the figure?  [#permalink]

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05 Apr 2019, 01:56
Bunuel wrote:

What is the value of y in the figure?

(A) 20
(B) 30
(C) 35
(D) 45
(E) 50

Attachment:
2019-04-05_1244.png

Sum of angles of triangles= 180

a+3a+5a= 180

9a = 180

a=20

Hence a=x= 20

Hence A
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Joined: 11 Jul 2018
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GMAT 1: 630 Q47 V29
Re: What is the value of y in the figure?  [#permalink]

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05 Apr 2019, 02:01
Bunuel wrote:

What is the value of y in the figure?

(A) 20
(B) 30
(C) 35
(D) 45
(E) 50

Attachment:
2019-04-05_1244.png

Sum of interior angles of a triangle=180
=> 3a+5a+a=180
=>a=20
And "a" and "y" are vertically opposite angles.
=>a=y
So,
y=20 degrees.
(My first post with first explanation )
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Concentration: Sustainability, Marketing
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Re: What is the value of y in the figure?  [#permalink]

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05 Apr 2019, 03:52
Bunuel wrote:

What is the value of y in the figure?

(A) 20
(B) 30
(C) 35
(D) 45
(E) 50

Attachment:
2019-04-05_1244.png

given 9a= 180
a= 20
and a=y
so y=20
IMO A
Re: What is the value of y in the figure?   [#permalink] 05 Apr 2019, 03:52
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