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Math Expert V
Joined: 02 Sep 2009
Posts: 58338
If the degree measures of two angles in a quadrilateral are 70° and 13  [#permalink]

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Difficulty:   5% (low)

Question Stats: 93% (00:37) correct 7% (00:46) wrong based on 27 sessions

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If the degree measures of two angles in a quadrilateral are 70° and 130° and the remaining two angles are equal to each other, what is the degree measure of one of these angles?

A. 60°
B. 80°
C. 100°
D. 160°
E. 200°

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GMAT Club Legend  D
Joined: 18 Aug 2017
Posts: 4986
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: If the degree measures of two angles in a quadrilateral are 70° and 13  [#permalink]

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Bunuel wrote:
If the degree measures of two angles in a quadrilateral are 70° and 130° and the remaining two angles are equal to each other, what is the degree measure of one of these angles?

A. 60°
B. 80°
C. 100°
D. 160°
E. 200°

70+130+2x=360
x = 80
IMO B
Target Test Prep Representative D
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 8043
Location: United States (CA)
Re: If the degree measures of two angles in a quadrilateral are 70° and 13  [#permalink]

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Bunuel wrote:
If the degree measures of two angles in a quadrilateral are 70° and 130° and the remaining two angles are equal to each other, what is the degree measure of one of these angles?

A. 60°
B. 80°
C. 100°
D. 160°
E. 200°

A quadrilateral has 360 degrees. We can create the equation:

70 + 130 + 2x = 360

2x = 160

x = 80

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ISB School Moderator G
Joined: 08 Dec 2013
Posts: 594
Location: India
Concentration: Nonprofit, Sustainability
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GMAT 1: 630 Q47 V30 WE: Operations (Non-Profit and Government)
Re: If the degree measures of two angles in a quadrilateral are 70° and 13  [#permalink]

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Bunuel wrote:
If the degree measures of two angles in a quadrilateral are 70° and 130° and the remaining two angles are equal to each other, what is the degree measure of one of these angles?

A. 60°
B. 80°
C. 100°
D. 160°
E. 200°

Sum of all interior angles of a quad= 360

2x + 130 +70= 360, find x.

x=80
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I never gave up what I wanted- Re: If the degree measures of two angles in a quadrilateral are 70° and 13   [#permalink] 20 May 2019, 19:50
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If the degree measures of two angles in a quadrilateral are 70° and 13

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