Solution:
When we drawn perpendicular from the point P(3, 4,5) on Y-axis, the r and e-coordinates will be zero and
y-coordinate will be 4.
i.e., coordinate on Y-axis Q(0, 4, 0).
.'. Distance between P and Q = PQ
What is the length of foot of perpendicular drawn from the point P (3, 4,5) on Y-axis?
When we drawn perpendicular from the point P(3, 4,5) on Y-axis, the r and e-coordinates will be zero and
y-coordinate will be 4.
i.e., coordinate on Y-axis Q(0, 4, 0).
.'. Distance between P and Q = PQ