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21 Mar 2023, 05:30
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
18% (01:47) correct
82%
(02:30)
wrong
based on 33
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Not Attempted Yet
In the circle above, chord AC = 26. What is the area of the circle?
(1) Angle ABC = 120°
(2) AB = BC = 15
Attachment:
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Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
23 Mar 2023, 09:42
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Can someone explain why B is the correct choice ?
Option A- I was able to find out the radius using the (i) central angle property and (ii) 30-60-90 property of a triangle, and thus the area. Not sure how B can be correct. My answer would be A.
Option A- I was able to find out the radius using the (i) central angle property and (ii) 30-60-90 property of a triangle, and thus the area. Not sure how B can be correct. My answer would be A.
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30 Mar 2023, 04:38
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A triangle will have a circle with a unique radius that would circumscribe it.
Statement 1: Angle ABC = 120° Here, we cannot deduce the information about the triangle.
Statement 2: AB = BC = 15 Here, we have a specific triangle. A specific circle would circumscribe it. Hence, SUFFICIENT!!
Answer: Option B
Statement 1: Angle ABC = 120° Here, we cannot deduce the information about the triangle.
Statement 2: AB = BC = 15 Here, we have a specific triangle. A specific circle would circumscribe it. Hence, SUFFICIENT!!
Answer: Option B
