Answer & explanation
Correct answer: option 2
$\text{Area} = \frac{1}{2}|\text{diagonal 1×diagonal 2}|$
$=\frac{1}{2}|-2\hat i-14\hat j-10\hat k|=5\sqrt{3}$
Correct answer: option 2
$\text{Area} = \frac{1}{2}|\text{diagonal 1×diagonal 2}|$
$=\frac{1}{2}|-2\hat i-14\hat j-10\hat k|=5\sqrt{3}$