Question

Fill in the blanks:
The perpendicular distance of a point $(5,12,13)$ from Y-axis is _______

Answer 1

At y axis,

$x$ & $y$ coordinates will be zero.

$\therefore Q(0,12,0)$

$\therefore PQ=\sqrt{5^2+0^2+{13}^2}$

$=\sqrt{194}$ units