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22 May 2020, 06:27
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In the figure above, what does x + y equal?
A. 315
B. 270
C. 225
D. 180
E. It cannot be determined from the information given.
Attachment:
1.png [ 1.91 KiB | Viewed 4482 times ]
22 May 2020, 06:40
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Bunuel
In the figure above, what does x + y equal?
A. 315
B. 270
C. 225
D. 180
E. It cannot be determined from the information given.
Attachment:
1.png
Solution
- • Using the properties of straight angle, we can write the two angles of the triangle as below:
- • Since, in a triangle, the sum of all three interior angles = 180°
- o This means, 90° + (180 – x)° + (180 -y)° = 180°
- ⟹ x+ y = 270
General Discussion
22 May 2020, 06:42
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In the figure above, what does x + y equal?
A. 315
B. 270 --> correct: (180-x)+(180-y)=90 => x+y=360-90=270
C. 225
D. 180
E. It cannot be determined from the information given.
