Question

dados os pontos a (3,0,1) e b (-8,-3/4,-1) determine as coordenadas do ponto médio do segmento​

Answer 1

O ponto médio será dado por:

$M_{A,B}~=~\left(\dfrac{x_{_A}+x_{_B}}{2}~,~\dfrac{y_{_A}+y_{_B}}{2}~,~\dfrac{z_{_A}+z_{_B}}{2}\right)\\\\\\Substituindo~os~valores,~temos:\\\\\\M_{A,B}~=~\left(\dfrac{3+(-8)}{2}~,~\dfrac{0+\left(-\frac{3}{4}\right)}{2}~,~\dfrac{1+(-1)}{2}\right)\\\\\\\\M_{A,B}~=~\left(\dfrac{-5}{2}~,~\dfrac{-\frac{3}{4}}{2}~,~\dfrac{0}{2}\right)\\\\\\\\\boxed{M_{A,B}~=~\left(-\dfrac{5}{2}~,\,-\dfrac{3}{8}~,~0\right)}\\\\\\ou\\\\\\\boxed{M_{A,B}~=~\left(-2,5~;\,-0,125~;~0\right)}$