Find the distance between the given pair of points. (8, −8) and (9, −9)

$$\begin{gathered} Concept \\ let two points ( x_1 , y_1 ) \& ( x_2 , y_2 ) \\ let dis\tan ce between these two points = d \\ d = \sqrt{{( x_2 - x_1 )}^2 + {( y_2 - y_1 )}^2} \end{gathered}$$