perpendiculairement (position)

at right angles (o) (position)

at a right angle (o) (position)

perpendicolare (o) [f.] (position)

ad angolo retto (o) (position)

perpendicularmente (o) (position)

a ángulo recto (o) (position)

rechtwinklig (o) (position)

im rechten Winkel (o) (position)

haaks (o) (position)

in een rechte hoek (o) (position)

vinkelrät (o) (position)

i rät vinkel (o) (position)

em ângulo reto (o) (position)

perpendicularmente (o) (position)