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01 Aug 2017, 04:41
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If y = 2x, and x = z/3, what is v = ?
(A) 30°
(B) 45°
(C) 60°
(D) 75°
(E) 90°
Attachment:
2017-08-01_1348.png [ 11.49 KiB | Viewed 1980 times ]
01 Aug 2017, 04:55
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Quote:
Since x = z/3, we can say that z = 3x
We already know that y=2x
Sum of angles in a straight line is 180 degree
x + 2x + 3x = 180° => x = 30°
Since y = 2x, y =60°
Angle v and y are alternate angles and are hence, equal
Therefore, v = 60°(Option C)
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01 Aug 2017, 07:59
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Bunuel
If y = 2x, and x = z/3, what is v = ?
(A) 30°
(B) 45°
(C) 60°
(D) 75°
(E) 90°
Attachment:
2017-08-01_1348.png
Here from figure v=Y
x+y+z=180
putting values from question stem
x+2x+3x=180 => 6x=180=> x=30 hence y=60
so v =60
