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aalriy
Joined: 04 Mar 2009
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Concentration: Marketing, Strategy
Schools: Johnson '15 (S) Kelley '15 (D) Darden '15 (D) Kenan-Flagler '15 (D) Cox '15 (A$) McCombs '15 (D)
GMAT 1: 650 Q48 V31
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WE:Information Technology (Consulting)
Schools: Johnson '15 (S) Kelley '15 (D) Darden '15 (D) Kenan-Flagler '15 (D) Cox '15 (A$) McCombs '15 (D)
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10 Dec 2010, 08:05
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
43% (01:57) correct
57%
(01:56)
wrong
based on 35
sessions
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A right polygon is inscribed in a circle. How many sides does the polygon have?
(1) The length of the diagonal of the polygon is equal to the length of the diameter of the circle.
(2) The ratio of area of the polygon to the area of the circle is less than 2/3.
(1) The length of the diagonal of the polygon is equal to the length of the diameter of the circle.
(2) The ratio of area of the polygon to the area of the circle is less than 2/3.
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10 Dec 2010, 10:47
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aalriy
Hi,
I haven't come across the phrase "right polygon" before; the only thing I can think it could possibly mean is a polygon with all right angles, which automatically means that the shape must be a quadrilateral. However, that would mean that we can answer the question without either of the statements, which never happens on the GMAT.
Are you sure that the question isn't supposed to read "a regular polygon" instead? What's the source?
Even if it's a regular polygon, statement (1) is problematic, since a "diagonal" is defined as the distance between any two vertices of the polygon. Since all regular polygons with more than 4 sides have multiple (i.e. different length) diagonals, it makes no sense to talk about "the length of the diagonal". So, for (1) to make sense it would have to read "the length of the longest diagonal of the polygon...".
aalriy
Joined: 04 Mar 2009
Last visit: 01 Aug 2013
Posts: 81
Own Kudos:
Given Kudos: 4
Status:Preparing Apps
Concentration: Marketing, Strategy
Schools: Johnson '15 (S) Kelley '15 (D) Darden '15 (D) Kenan-Flagler '15 (D) Cox '15 (A$) McCombs '15 (D)
GMAT 1: 650 Q48 V31
GMAT 2: 710 Q49 V38
WE:Information Technology (Consulting)
Schools: Johnson '15 (S) Kelley '15 (D) Darden '15 (D) Kenan-Flagler '15 (D) Cox '15 (A$) McCombs '15 (D)
GMAT 2: 710 Q49 V38
Posts: 81
Kudos:
901
10 Dec 2010, 10:58
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it does say "right polygon" 
... I was considering it as a a regular polygon untill now.
Well for the source it is a book with a collection of question that i borrowed it from a friend. It has a very vauge exlpanation of the answer though.
Here is how it goes..
Expln:
From Stmt I, It could be a square or a right hexagon. INSUFF
From Stmt II, nothing helps. INSUFF
Together, it should be a square. SUFF
... I was considering it as a a regular polygon untill now. Well for the source it is a book with a collection of question that i borrowed it from a friend. It has a very vauge exlpanation of the answer though.
Here is how it goes..
Expln:
From Stmt I, It could be a square or a right hexagon. INSUFF
From Stmt II, nothing helps. INSUFF
Together, it should be a square. SUFF
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