Question

what is the defenation of line is sight​

Answer 1

Answer:

Also called line of sighting. an imaginary straight line running through the aligned sights of a firearm, surveying equipment, etc.

Step-by-step explanation:

an imaginary line from an observer to a celestial body, coincident with the path traveled by light rays receivedfrom the body.

Answer 2

Answer:

The line of sight is the line drawn from the eye of the observer to the point in the object viewed by the observer.