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# If the measures of the angles of a triangle are x°, (x + 10)° and (x –

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Math Expert
Joined: 02 Sep 2009
Posts: 58446
If the measures of the angles of a triangle are x°, (x + 10)° and (x –  [#permalink]

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24 Aug 2017, 23:45
00:00

Difficulty:

15% (low)

Question Stats:

78% (00:30) correct 22% (00:52) wrong based on 44 sessions

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If the measures of the angles of a triangle are x°, (x + 10)° and (x – 40)°, what is the measure of the smallest of these angles?

(A) 10°
(B) 20°
(C) 30°
(D) 70°
(E) 80°

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Joined: 18 Aug 2016
Posts: 603
Concentration: Strategy, Technology
GMAT 1: 630 Q47 V29
GMAT 2: 740 Q51 V38
Re: If the measures of the angles of a triangle are x°, (x + 10)° and (x –  [#permalink]

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24 Aug 2017, 23:48
Bunuel wrote:
If the measures of the angles of a triangle are x°, (x + 10)° and (x – 40)°, what is the measure of the smallest of these angles?

(A) 10°
(B) 20°
(C) 30°
(D) 70°
(E) 80°

x+x+10+x-40=180
x=70
smallest=x-40 = 70-40=30

C
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Re: If the measures of the angles of a triangle are x°, (x + 10)° and (x –   [#permalink] 24 Aug 2017, 23:48
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