The line ${L_1}$ passes through the points $A\left( {2,\,\,5} \right)$ and $B\left( {10,\,\,9} \right)$. The line ${L_2}$ is parallel to ${L_1}$ and passes through the origin. The point $C$ lies on ${L_2}$ such that $AC$ is perpendicular to ${L_2}$. Find
a) the coordinates of $C$,
b) the distance $AC$.
پاسخ تشریحی :
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!