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In the figure shown, what is the value of x ?
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31 May 2020, 09:53
31 May 2020, 09:53
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Question Stats:
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In the figure shown, what is the value of x ?
A. 60
B. 80
C. 85
D. 90
E. 95
Re: In the figure shown, what is the value of x ?
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31 May 2020, 09:54
31 May 2020, 09:54
Expert Reply
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Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
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Re: In the figure shown, what is the value of x ?
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31 May 2020, 15:28
31 May 2020, 15:28
1
Carcass wrote:
In the figure shown, what is the value of x ?
A. 60
B. 80
C. 85
D. 90
E. 95
Since angles on a line must add to 180°, we can see that there are three 30° angles in our diagram...
Next, let's focus on the BLUE triangle.
Since angles in a triangle must add to 180° (and since we already have two angles measuring 30° each), the third angle must be 120°
Next, we have two angles sharing the same GREEN line.
Since angles on a line must add to 180°, we can see that the other angle must be 60°
Finally, we can focus on the RED triangle.
Since angles in a triangle must add to 180° (and since we already have two angles measuring 30° and 60°), the third angle (x) must be 90°
Answer: D
Cheers,
Brent
