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06 Sep 2019, 10:56
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
86% (00:38) correct
14%
(00:29)
wrong
based on 63
sessions
History
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Time
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Not Attempted Yet
Are the two triangles similar?
(1) The ratio of the measures of the angles in one triangle is 2 : 3 : 4.
(2) The ratio of the measures of the angles in the other triangle is 4 : 3 : 2.
(1) The ratio of the measures of the angles in one triangle is 2 : 3 : 4.
(2) The ratio of the measures of the angles in the other triangle is 4 : 3 : 2.
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
09 Sep 2019, 03:34
Kudos
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Bunuel
Asked: Are the two triangles similar?
(1) The ratio of the measures of the angles in one triangle is 2 : 3 : 4.
Angles = {2x,3x,4x}
2x + 3x + 4x = 9x = 180
x = 20
Angles = {40,60,80}
Since angles of another triangle are unknown
NOT SUFFICIENT
(2) The ratio of the measures of the angles in the other triangle is 4 : 3 : 2.
Angles = {4x,3x,2x}
4x + 3x + 2x = 9x = 180
x = 20
Angles = {80,60,40}
Since angles of another triangle are unknown
NOT SUFFICIENT
Combining (1) & (2)
(1) The ratio of the measures of the angles in one triangle is 2 : 3 : 4.
Angles = {2x,3x,4x}
2x + 3x + 4x = 9x = 180
x = 20
Angles = {40,60,80}
(2) The ratio of the measures of the angles in the other triangle is 4 : 3 : 2.
Angles = {4x,3x,2x}
4x + 3x + 2x = 9x = 180
x = 20
Angles = {80,60,40}
Since all angles of the 2 triangles are same
Triangles are similar
SUFFICIENT
IMO C
13 Aug 2023, 07:28
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