Same situation: you are located "x" feet from a stage (distance on the horizontal line).
Find a formula (in terms of x) for the viewing angle.
Type it on the next slide.

Same situation you are located x feet from a stage distance on the horizontal line Find a formula in terms of x for the viewing angle Type it on the next slide class=
Same situation you are located x feet from a stage distance on the horizontal line Find a formula in terms of x for the viewing angle Type it on the next slide class=