Question 353 Data Sufficiency 2018 GMAT Official Guide Video explanation: In the figure above, is the area of triangular region ABC equal…
Anonymous says March 17, 2023 at 1:32 PM How did AD ^2 suddenly became AD in your calculations with x^2=2(AD)^2 ??? Reply
GMAT Quantum says March 17, 2023 at 5:09 PM I took the square root of the equation $x^2 = 2(\textrm{AD})^2$ and obtained $x = \textrm{AD}\sqrt{2}$. You are right, I should have said that explicitly in the video. Thanks. Reply
How did AD ^2 suddenly became AD in your calculations with x^2=2(AD)^2 ???
I took the square root of the equation $x^2 = 2(\textrm{AD})^2$ and obtained $x = \textrm{AD}\sqrt{2}$. You are right, I should have said that explicitly in the video. Thanks.