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In the figure, what is the value of x ?

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Math Expert
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In the figure, what is the value of x ?  [#permalink]

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New post 17 Mar 2019, 23:57
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

81% (00:59) correct 19% (02:13) wrong based on 16 sessions

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Re: In the figure, what is the value of x ?  [#permalink]

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New post 18 Mar 2019, 00:46
C
Hard to show calculation, but the equation for the lowest triangle looks like this:
180-2x + x + 90-x = 180 (Sum of the angle of a triangle = 180)
x = 45 i.e. C
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Re: In the figure, what is the value of x ?  [#permalink]

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New post 18 Mar 2019, 01:34
1
Bunuel wrote:
Image
In the figure, what is the value of x ?

(A) 10°

(B) 30°

(C) 45°

(D) 60°

(E) 75°


Attachment:
#GREpracticequestion In the figure, what is the.jpg


solve for figure
we get
180-2x+90-x+x=180
x= 45
IMO C

Bunuel:
please provide official solution how E is correct.
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Re: In the figure, what is the value of x ?  [#permalink]

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New post 19 Mar 2019, 03:27
Archit3110 wrote:
Bunuel wrote:
Image
In the figure, what is the value of x ?

(A) 10°

(B) 30°

(C) 45°

(D) 60°

(E) 75°


Attachment:
#GREpracticequestion In the figure, what is the.jpg


solve for figure
we get
180-2x+90-x+x=180
x= 45
IMO C

Bunuel:
please provide official solution how E is correct.

___________________________
C is correct edited. Thank you.
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Re: In the figure, what is the value of x ?   [#permalink] 19 Mar 2019, 03:27
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