Question

150÷√3= perpendicular. is this is ok

Answer 1

yes, it's correct

$\frac{150}{ \sqrt{3} } \\ \frac{150 \times \sqrt{ \sqrt{3} } }{ \sqrt{3} \times \sqrt{3} } \\ = \frac{150 \sqrt{3} }{3} \\ = 50 \sqrt{3}$