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08 Dec 2020, 08:45
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
85% (01:06) correct
15%
(01:33)
wrong
based on 13
sessions
History
Date
Time
Result
Not Attempted Yet
If AB is parallel to CD , angle A = 35°, and angle C = 45°, find the number of degrees in angle AEC.
(A) 35
(B) 45
(C) 70
(D) 80
(E) 100
Attachment:
2020-12-08_15-15-57.png [ 27.84 KiB | Viewed 2737 times ]
08 Dec 2020, 09:15
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Bunuel
Draw a line parallel to AB and CD passing through E.
We can find alternate angles and the sum of the angles will give us angle AEC = 35+45=80
D
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2020-12-08_15-15-57.png [ 30.27 KiB | Viewed 2547 times ]
General Discussion
sudeshpatodiya
08 Dec 2020, 08:54
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Quote:
Suppose we draw a parallel line parallel to AB and CD and passing through point E
Now, the two alternate angles so formed say, angle AEX and CEX will be alternate angles and equal to angle A and C respectively.
so, angle AEC = sum of angle AEX and CEX = 35+45 = 80
(D)
