Question

calcule a distancia de A (1,-5) e B (4,-5)

Answer 1

$\boxed{\mathsf{ D^{2} = (x_{2} - x_{1})^{2} + (y_{2} -y_{1})^{2} }}$

D² = (4 -1)²  + (-5 -(-5))²

D² = 3²

D = 3