Distancia :
<img src="https://tex.z-dn.net/?f=dAB%3D%20%5Csqrt%7B%28X2-X1%29%5E%7B2%7D%20%2B%28Y2-Y1%29%5E%7B2%7D%2B%28Z2-Z1%29%5E%7B2%7D%7D%20" />
Donde : X1 = - 2 ; Y1 = 0 ; Z1 = 1 X2 = 4 ; Y2 = - 4 ; Z2 = 2
<img src="https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B%284-%28-2%29%29%5E%7B2%7D%20%2B%28-4-0%29%5E%7B2%7D%2B%282-1%29%5E%7B2%7D%7D%20" />
<img src="https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B%286%29%29%5E%7B2%7D%20%2B%28-4%29%5E%7B2%7D%2B%281%29%5E%7B2%7D%7D%20" />
<img src="https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B36%20%2B%2016%2B%201%7D%20" />
<img src="https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B53%7D%20%3D7.2801" />
Xm = [X1 + X2] / 2 = [ - 2 + 4] / 2 = 2 / 2 = 1
Ym = [Y1 + Y2] / 2 = [0 + ( - 4)] / 2 = - 4 / 2 = - 2
Zm = [Z1 + Z2] / 2 = [1 + 2] / 2 = 3 / 2 = 1.
5
Punto Medio : (1, - 2, 1.
5)
AB : Distancia = 7.
28 ; Punto Medio : (1, - 2, 1.
5)
Distancia : CD : C.
( - 3, 1, 0 ) D.
( - 2, 1, 5 )
<img src="https://tex.z-dn.net/?f=dCD%3D%20%5Csqrt%7B%28X2-X1%29%5E%7B2%7D%20%2B%28Y2-Y1%29%5E%7B2%7D%2B%28Z2-Z1%29%5E%7B2%7D%7D" />
Donde : X1 = - 3 ; Y1 = 1 ; Z1 = 0 : X2 = - 2 ; Y2 = 1 ; Z2 = 5
<img src="https://tex.z-dn.net/?f=dCD%3D%20%5Csqrt%7B%28-2-%28-3%29%29%5E%7B2%7D%20%2B%281-1%29%5E%7B2%7D%2B%285-0%29%5E%7B2%7D%7D" />
<img src="https://tex.z-dn.net/?f=dCD%3D%20%5Csqrt%7B%281%29%5E%7B2%7D%20%2B%280%29%5E%7B2%7D%2B%285%29%5E%7B2%7D%7D" />
<img src="https://tex.z-dn.net/?f=dCD%3D%20%5Csqrt%7B1%2B25%7D" />
<img src="https://tex.z-dn.net/?f=dCD%3D%20%5Csqrt%7B26%7D%3D5.099" />
Punto medio :
Xm = [X1 + X2] / 2 = [ - 3 + ( - 2))] / 2 = - 5 / 2 = - 2.
5
Ym = [Y1 + Y2] / 2 = [1 + 1] / 2 = 2 / 2 = 1
Zm = [Z1 + Z2] / 2 = [0 + 5] / 2 = 5 / 2 = 2.
5
Punto Medio : ( - 2.
5, 1, 2.
5)
CD : Distancia = 5.
099 ; Punto Medio : ( - 2.
5, 1, 2.
5)
La segunda imagen los puntos son C y D.