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09 Dec 2020, 05:15
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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:
45%
(medium)
Question Stats:
50% (00:59) correct
50%
(01:16)
wrong
based on 80
sessions
History
Date
Time
Result
Not Attempted Yet
The number of degrees in angle ABC is
(A) y/2
(B) y
(C) x/
(D) (x - y)/2
(E) (x + y)/2
Attachment:
2020-12-08_22-08-03.png [ 39.3 KiB | Viewed 2921 times ]
10 Dec 2020, 05:12
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Bunuel
By the rule of secants, which intersect externally \(\angle{ABC} = \frac{1}{2}(x - y)\), where x and y are the arc angles intercepted by the 2 secants.
Option D
Arun Kumar
ShankSouljaBoi
Joined: 21 Jun 2017
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GMAT 1: 660 Q49 V31
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Schools: Rotman '23 (D) IIMA PGPX'22 (D) Desautels '23 (D) Schulich Sept '23 (D) WBS (D) IIML IPMX'25 (A)
GMAT 3: 650 Q48 V31
Posts: 599
10 Dec 2020, 08:19
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CrackVerbalGMAT
Could you please point out the theory to this rule ?
Best
