Question

Distance of the point (1, 2, 3) from the co-ordinate axes are

• A. 13, 10, 5
• B. $\sqrt{13},\sqrt{10},\sqrt{5}$
• C. $\sqrt{5},\sqrt{13},\sqrt{10}$
• D. $\frac{1}{\sqrt{13}},\frac{1}{\sqrt{10}},\frac{1}{\sqrt{5}}$

Answer 1

The correct option is B

$\sqrt{13},\sqrt{10},\sqrt{5}$

From x-axis =$\sqrt{y^2+z^2}=\sqrt{4+9}=\sqrt{13}$
From y-axis = $\sqrt{1+9}=\sqrt{10}$
From z-axis = $\sqrt{1+4}=\sqrt{5}.$