Question

The vectors $\overrightarrow {AB}=3\hat i+4\hat k$ and $\overrightarrow {AC}=5\hat i-2\hat j+4\hat k$ are the sides of a △ABC. The length of the median through A is

• A. $\sqrt{18}$
• B. $\sqrt{72}$
• C. $\sqrt{33}$
• D. $\sqrt{288}$

Answer 1

Answer: (C)

$\sqrt{33}$

Answer 2

The correct answer is Option (C) : $\sqrt{33}$