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25 Nov 2020, 22:47
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B
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Difficulty:
15%
(low)
Question Stats:
77% (00:52) correct
23%
(00:59)
wrong
based on 70
sessions
History
Date
Time
Result
Not Attempted Yet
In the figure above, x + y = ?
(A) 180
(B) 270
(C) 300
(D) 360
(E) It cannot be determined from the information given
(A) 180
(B) 270
(C) 300
(D) 360
(E) It cannot be determined from the information given
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25 Nov 2020, 23:47
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Hoozan
Referring to the diagram below
Angle BAC = 180 - y (Sum of angles on a straight line = 180)
Angle BCA = 180 - x (Sum of angles on a straight line = 180)
In triangle BAC, 180 - x + 180 - y + 90 = 180 (Sum of angles of a triangle = 180)
Solving, we get x + y = 180 + 180 + 90 - 180 = 270
Option B
Arun Kumar
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25 Dec 2020, 00:02
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