Answer:
The answer is "Option A".
Explanation:
It's also better and measures the distance returned to a viewport to accomplish the right angle from the result produced outside the viewfinder. Its reason for this is that the outer edge of a perspective is where all the perspective begins.
The Viewport is a new client location that is the outside of the Viewfinder that Calculates the distance with an external edge of a viewfinder from the outside of the viewfinder is a methodology.