Solution:
Since, in xy-plane, z-coordinate is zero. Hence, the coordinate of the foot of the point L are (3,4,0).
Z is the foot of the perpendicular drawn from a point R(3, 4,5) on the xy -plane. The coordinates of point L are
Z is the foot of the perpendicular drawn from a point R(3, 4,5) on the xy -plane. The coordinates of point L are
