Given the points A(0, 0), B(e, f), C(0, e) and D(f, o), determine if line segments AB and CD are parallel, perpendicular or
neither
parallel
perpendicular
neither

Respuesta :

Answer:

Step-by-step explanation:

slope of AB=(f-0)/(e-0)=f/e

slope of CD=(0-e)/(f-0)=-e/f

product of slopes=f/e× -e/f=-1

so AB and CD are perpendicular