Question

Distance between (1;-1) (1;1)

Answer 1

Step-by-step explanation:

D

$\sqrt{( {x2}^{2} - {x1}^{2}) + ( {y2}^{2} - {y1}^{2} ) }$

distance between two points =

$\sqrt{(1 - 1) + (1 - ( - 1))}$

$\sqrt{1 + 1}$

$\sqrt{2}$