Given equation is compared with \( \Large a_{1}x+b_{1}y=0\ and\ a_{2}x+b_{2}y=0 \) Now, \( \Large a_{1}a_{2}+b_{1}b_{2}= \left(1\right) \left(\sqrt{3}\right)+ \left(-\sqrt{3}\right) \left(1\right)=0 \) Line are perpendicular \( \Large \theta-90 ^{\circ} \)