Question

Distance of point $(2,3)$ from origin is equal to

• A. $2$
• B. $5$
• C. $-1$
• D. $\sqrt{13}$

Answer 1

The correct option is D $\sqrt{13}$

The distance between points $(x_1,y_1)$ and $(x_2,y_2)$ is given by $\sqrt{{(x_2-x_1)}^2+{(y_2-y_1)}^2}$

So, the distance between $(2,3)$ and $(0,0)$ will be,

$\begin{array}{cc}d& =\sqrt{{(2-0)}^2+{(3-0)}^2}\\ & =\sqrt{4+9}\\ & =\sqrt{13}\end{array}$