Respuesta :

Answer:

Step-by-step explanation:

d= [tex]\sqrt{(-30-10)^2 + (12-(-21))^2}[/tex]

d=[tex]\sqrt{(-40)^2 + (33)^2}[/tex]

d=[tex]\sqrt{1600 + 1089}[/tex]

d=[tex]\sqrt{2689}[/tex]

d=51.86