Réponse :
Bonsoir,
On sait que;
A= -5 B= -2 C= 3 et D=7
Donc:
(AB) = A - B
= -5 - (-2)
= - 5 + 2
= -3 -> distance = 3
(DC) = D - C
= 7 - 3
= 4 -> distance = 4
(AD) = D - A
= 7 - (-5)
= 7 + 5
= 12 ->distance= 12
