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avigutman
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Joined: 17 Jul 2019
Last visit: 27 Jun 2026
Posts: 1,285
Given Kudos: 66
Location: Canada
Schools: NYU Stern (WA)
GMAT 1: 780 Q51 V45
GMAT 2: 780 Q50 V47
GMAT 3: 770 Q50 V45
Expert reply
25 Apr 2022, 12:08
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Video solution from Quant Reasoning:
Subscribe for more: https://www.youtube.com/QuantReasoning? ... irmation=1
Subscribe for more: https://www.youtube.com/QuantReasoning? ... irmation=1
08 Jan 2023, 06:11
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Can't we do this question with similarity, as in the two triangles, ACB and DAB are similar and ratio of its sides is given, so we can find the area as ratio of square of its sides.
So isnt statement 1 sufficient ?
Please correct me if i am wrong!
So isnt statement 1 sufficient ?
Please correct me if i am wrong!
08 Jan 2023, 08:10
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akritigpi46
How did you conclude from (1) that ACB and DAB are similar ? We do not know that. By the way, when we consider the statements together, it turns out that that the triangles are NOT similar: ACB is isosceles while DAB is not (in triangle DAB: \(AD = \frac{AC}{\sqrt{2}}\) and \(AB = AC*\sqrt{2}\)).
