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09 Nov 2018, 22:22
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
41% (01:09) correct
59%
(01:17)
wrong
based on 76
sessions
History
Date
Time
Result
Not Attempted Yet
Are all the three angles of triangle ABC less than 90 degrees?
(1) AB + BC > AC
(2) AB^2 + BC^2 > AC^2
(1) AB + BC > AC
(2) AB^2 + BC^2 > AC^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
10 Nov 2018, 01:26
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amanvermagmat
Question: Is triangle ABC an Acute angled triangle?
CONCEPT: Property of the acute angled triangle is as mentioned in attachment
Statement 1: AB + BC > AC
2+3>4 which form an acute angled triangle
3+4>6 which form an obtuse angled triangle
NOT SUFFICIENT
Statement 2: AB^2 + BC^2 > AC^2
But we are still not aware whether AC is the longest side of the triangle or NOT hence we can't be certain
NOT SUFFICIENT
Combining the two statements
We still don't know whether AC is the longest side or not hence
NOT SUFFICIENT
Answer: Option E
Attachments
File comment: www.GMATinsight.com
Geometry 3 Right Acute and Obtuse angle triangle.jpg [ 96.22 KiB | Viewed 2026 times ]
13 Dec 2023, 23:26
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