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Is the measure of one of the interior angles of

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Senior Manager
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Is the measure of one of the interior angles of [#permalink]

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New post 15 Sep 2008, 07:43
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Is the measure of one of the interior angles of quadrilateral ABCD equal to 60 degrees?
(1) Two of the interior angles of ABCD are right angles.
(2) The degree measure of angle ABC is twice the degree measure of angle BCD.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
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Re: DS - Triangle [#permalink]

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New post 15 Sep 2008, 07:53
E. Not enough information to determine the relationship between the 2 angles whose measure is not equal to 90 degrees.
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Re: DS - Triangle [#permalink]

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New post 15 Sep 2008, 08:31
vivektripathi wrote:
Is the measure of one of the interior angles of quadrilateral ABCD equal to 60 degrees?

(1) Two of the interior angles of ABCD are right angles.
(2) The degree measure of angle ABC is twice the degree measure of angle BCD.


C. What can be ABC? it can be greater than 120 but smaller than 180. in that case none of the angle is 60 since two angles are 90 each..

so suff...
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Re: DS - Triangle   [#permalink] 15 Sep 2008, 08:31
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Is the measure of one of the interior angles of

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