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What is the value of y in the figure above?

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Carcass

Verbal Expert

Joined: 18 Apr 2015

Posts: 21032

What is the value of y in the figure above? [#permalink]

13 May 2018, 10:14

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#GREpracticequestion What is the value of y in the figure above .jpg [ 9.91 KiB | Viewed 3130 times ]

What is the value of y in the figure above?

(A) 70

(B) 80

(C) 90

(D) 100

(E) 110

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pranab223

Retired Moderator

Joined: 20 Apr 2016

Posts: 1307

WE:Engineering (Energy and Utilities)

Re: What is the value of y in the figure above? [#permalink]

04 Jul 2018, 08:19

Carcass wrote:

What is the value of y in the figure above?

(A) 70

(B) 80

(C) 90

(D) 100

(E) 110

Here,

Let us consider the △ABC,

∠CAB = 25° , ∠ACB = 45°

Therefore ∠ABC = 180° - 70° = 110°

Since

∠ABC = ∠CBR = ∠ABR = ∠x° = 110°/2 = 55°

Now in △ABR

∠y° = 180° - (25° + 55°) = 100°

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Re: What is the value of y in the figure above? [#permalink]

20 Sep 2021, 02:05

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