Question

Dab=√4-(-4)^2+(-12-4)^2​

Answer 1

Distancia entre A(- 4 , 4) e B(4 , - 12):

$D_{ab}=\sqrt{[4-(-4)]^2+(-12-4)^2}\\\\D_{ab}=\sqrt{(4+4)^2+(-16)^2}\\\\D_{ab}=\sqrt{8^2+256}\\\\D_{ab}=\sqrt{64+256}\\\\D_{ab}=\sqrt{320}\ un$