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17 Oct 2020, 12:56
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
98% (01:03) correct
2%
(02:00)
wrong
based on 48
sessions
History
Date
Time
Result
Not Attempted Yet
In the figure above, if AB is parallel to CD, then x =
(A) 60
(B) 65
(C) 70
(D) 75
(E) 80
Attachment:
2020-10-17_23-54-39.png [ 10.92 KiB | Viewed 5306 times ]
17 Oct 2020, 13:11
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Draw a line parallel to AB or CD through E
Applying interior opposite angles to be equal,X=30+40=70
Posted from my mobile device
Applying interior opposite angles to be equal,X=30+40=70
Posted from my mobile device
17 Oct 2020, 13:24
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Bunuel
(Please see the attached file)
Just continue the BE line up to the point R.
Since AB is parallel to CD, the angles of <ABE and <ERD are equal to each other. (<ABE = <ERD= 40º)
--> in ∆ERD, <RED= 110º --> x = 180º- 110º= 70º
Answer (C)
Attachments
Geometry_parallel.png [ 16.31 KiB | Viewed 5077 times ]
