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In the right-angled triangle above, what is the value of x?

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Math Expert
Joined: 02 Sep 2009
Posts: 44351
In the right-angled triangle above, what is the value of x? [#permalink]

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01 Sep 2017, 07:47
00:00

Difficulty:

15% (low)

Question Stats:

93% (00:14) correct 7% (00:08) wrong based on 45 sessions

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In the right-angled triangle above, what is the value of x?

(A) 35°
(B) 45°
(C) 55°
(D) 65°
(E) 75°

[Reveal] Spoiler:
Attachment:

2017-09-01_1837_001.png [ 3.73 KiB | Viewed 831 times ]
[Reveal] Spoiler: OA

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Concentration: Technology, Strategy
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Re: In the right-angled triangle above, what is the value of x? [#permalink]

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01 Sep 2017, 08:08
Bunuel wrote:

In the right-angled triangle above, what is the value of x?

(A) 35°
(B) 45°
(C) 55°
(D) 65°
(E) 75°

[Reveal] Spoiler:
Attachment:
2017-09-01_1837_001.png

Sum of interior angles of triangle $$= 180°$$

$$x° + 25° + 90° = 180°$$

$$x° + 115° = 180°$$

$$x° = 180° - 115° = 65°$$

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Joined: 02 Jul 2017
Posts: 289
GMAT 1: 730 Q50 V38
Re: In the right-angled triangle above, what is the value of x? [#permalink]

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01 Sep 2017, 13:41
Bunuel Do we get such simple question on GMAT ???

Sol: for right angles triangle : x+25+90 = 180 sum of all angles in a triangle

x= 65

Math Expert
Joined: 02 Sep 2009
Posts: 44351
Re: In the right-angled triangle above, what is the value of x? [#permalink]

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02 Sep 2017, 03:13
Nikkb wrote:
Bunuel Do we get such simple question on GMAT ???

Sol: for right angles triangle : x+25+90 = 180 sum of all angles in a triangle

x= 65

Probably not but if yes, it would be the lowest difficulty level question.
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Re: In the right-angled triangle above, what is the value of x?   [#permalink] 02 Sep 2017, 03:13
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